twitter_block 7.x-1.0

WIth many, many thanks to @cweagans, we've fixed the forms, and addressed all of the following issues:

• 1264734 by DamienMcKenna: Use twitter RESTful API instead of twitter search for getTweetsFrom
• 1230334 by DamienMcKenna, Pedro Lozano: Provide a ctools content type.
• 1292552 by Devin Carlson: Link to the Twitter advanced search page.
• 1258524 by fakingfantastic: Use #description instead of #help
• 1282382 by jherencia: Add the 'group' key to the test definition array.
• 1211770: Rename the TwitterSearch class to TwitterBlockSearch.
• 1315004: Implement hook_requirements() so that curl is required.
• Fix ALL the forms!!!
• Remove period from UI strings.
• 1246018: Implement hook_theme() correctly.