added general info and install and contribution instructions to readme file
made odk submission test tolerant of non existant fixtures dir
Merge branch 'master' into 4.2
White Space.
White Space.
added full text searching (closes #508)
471 - Ability to Delete Mission
471 - Ability to Delete Mission - SMS Message Update.

* SMS Message test needed to be updated to the new method name.
* Also update the SMS Message factory to be cleaner.
removed delete_all's from test setup methods
merged winston's bugfix
471 - Ability to Delete Mission - Utilize Default destroy_and_handle_errors method
471 - Ability to Delete Mission - Fix call to Mission name typo.
471 - Ability to Delete Mission - Update Mission Unit Test.
Fix broken test with sort of array results.
White Space.
added excerpts to search results (closes #187)
merged remote's 4.2
removed standard report null subset when empty (closes #725)
fixed bug
fixed/removed counter caches (closes #720)