sitedoc 5.x-1.9

#259215: Site documentation page breaks theme Remove extraneous /div.
#257472: preg_match() expects parameter 2 to be string... Corrected variables list.
#296125: * Tell Nancy I found a double in the variables. Added double check in variable handling.
#284476: img src is broken when drupal is not installed on the root url Fix img paths.
#292574: failed to open stream Fix files directory path issue.
#301544: Minimum cache lifetime value wrong Fix typo on cache liftime.