Code cleanup

We need to adhere to Drupal coding standards. Current output of Coder module:

• Line 18: use a space between the closing parenthesis and the open bracket
• Line 20: use a space between the closing parenthesis and the open bracket
• Line 61: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 101: use a space between the closing parenthesis and the open bracket
• Line 105: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 106: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 107: use a space between the closing parenthesis and the open bracket
• Line 119: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 120: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 124: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 126: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 133: use a space between the closing parenthesis and the open bracket
• Line 135: global variables should start with a single underscore followed by the module and another underscore
• Line 139: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 140: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 143: use a space between the closing parenthesis and the open bracket
• Line 148: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 162: do not use mixed case (camelCase), use lower case and _
• Line 164: Use an indent of 2 spaces, with no tabs
• Line 165: Use an indent of 2 spaces, with no tabs
• Line 166: Use an indent of 2 spaces, with no tabs
• Line 170: do not use mixed case (camelCase), use lower case and _
• Line 174: do not use mixed case (camelCase), use lower case and _
• Line 180: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 181: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 208: use a space between the closing parenthesis and the open bracket
• Line 212: use a space between the closing parenthesis and the open bracket
• Line 236: use a space between the closing parenthesis and the open bracket
• Line 237: use a space between the closing parenthesis and the open bracket
• Line 238: _POST[op] deprecated in favor of $form_values[op]
• Line 239: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 253: use a space between the closing parenthesis and the open bracket
• Line 261: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 267: use a space between the closing parenthesis and the open bracket
• Line 270: else statements should begin on a new line
• Line 322: use a space between the closing parenthesis and the open bracket
• Line 325: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 393: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 463: use a space between the closing parenthesis and the open bracket
• Line 471: use a space between the closing parenthesis and the open bracket
• Line 476: use a space between the closing parenthesis and the open bracket
• Line 477: use a space between the closing parenthesis and the open bracket
• Line 495: use a space between the closing parenthesis and the open bracket
• Line 496: use a space between the closing parenthesis and the open bracket
• Line 525: use a space between the closing parenthesis and the open bracket
• Line 549: use a space between the closing parenthesis and the open bracket
• Line 552: use a space between the closing parenthesis and the open bracket
• Line 564: use a space between the closing parenthesis and the open bracket
• Line 574: use a space between the closing parenthesis and the open bracket
• Line 576: use a space between the closing parenthesis and the open bracket
• Line 582: use a space between the closing parenthesis and the open bracket
• Line 583: use a space between the closing parenthesis and the open bracket
• Line 585: use a space between the closing parenthesis and the open bracket
• Line 586: use a space between the closing parenthesis and the open bracket
• Line 587: use a space between the closing parenthesis and the open bracket
• Line 605: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 610: use a space between the closing parenthesis and the open bracket
• Line 616: use a space between the closing parenthesis and the open bracket
• Line 617: use a space between the closing parenthesis and the open bracket
• Line 637: use a space between the closing parenthesis and the open bracket
• Line 647: use a space between the closing parenthesis and the open bracket
• Line 649: use a space between the closing parenthesis and the open bracket
• Line 651: use a space between the closing parenthesis and the open bracket
• Line 654: use a space between the closing parenthesis and the open bracket
• Line 658: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 660: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 661: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 662: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 669: use a space between the closing parenthesis and the open bracket
• Line 670: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 673: use a space between the closing parenthesis and the open bracket
• Line 679: use a space between the closing parenthesis and the open bracket
• Line 687: use a space between the closing parenthesis and the open bracket
• Line 714: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 721: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 729: use a space between the closing parenthesis and the open bracket
• Line 730: use a space between the closing parenthesis and the open bracket
• Line 738: use a space between the closing parenthesis and the open bracket
• Line 739: Use an indent of 2 spaces, with no tabs
• Line 740: Use an indent of 2 spaces, with no tabs
• Line 741: Use an indent of 2 spaces, with no tabs
• Line 742: Use an indent of 2 spaces, with no tabs
• Line 743: Use an indent of 2 spaces, with no tabs
• Line 744: Use an indent of 2 spaces, with no tabs
• Line 745: Use an indent of 2 spaces, with no tabs
• Line 746: Use an indent of 2 spaces, with no tabs
• Line 749: do not use mixed case (camelCase), use lower case and _
• Line 750: Use an indent of 2 spaces, with no tabs
• Line 751: Use an indent of 2 spaces, with no tabs
• Line 754: do not use mixed case (camelCase), use lower case and _
• Line 755: Use an indent of 2 spaces, with no tabs
• Line 758: do not use mixed case (camelCase), use lower case and _
• Line 759: Use an indent of 2 spaces, with no tabs
• Line 760: Use an indent of 2 spaces, with no tabs
• Line 761: Use an indent of 2 spaces, with no tabs
• Line 762: Use an indent of 2 spaces, with no tabs
• Line 763: Use an indent of 2 spaces, with no tabs
• Line 764: Use an indent of 2 spaces, with no tabs
• Line 765: Use an indent of 2 spaces, with no tabs
• Line 769: do not use mixed case (camelCase), use lower case and _
• Line 777: use a space between the closing parenthesis and the open bracket
• Line 782: do not use mixed case (camelCase), use lower case and _
• Line 789: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 799: Use an indent of 2 spaces, with no tabs
• Line 800: Use an indent of 2 spaces, with no tabs
• Line 801: Use an indent of 2 spaces, with no tabs
• Line 812: use a space between the closing parenthesis and the open bracket
• Line 813: string concatenation should be formatted with a space separating the operators (dot .) and terms ('string')
• Line 814: use a space between the closing parenthesis and the open bracket
• Line 827: use a space between the closing parenthesis and the open bracket
• Line 828: missing space after comma