Minor (mostly stylish and whitespace) fixes in GHOP access.py module. Also missing authors added to some files.

Multiple choice nonrequired questions now accept empty answers. The change is mostly concerned with issue 674, probably fixing it.

checkIsHostForProgram fixes: logic argument has default value and is actually used to look up for a program entity,

checkIsHostForProgram function takes a new 'logic' argument. It determines which logic should be used to look up for program entity. If the argument is not given, the standard program_logic will be used.

If checkCanOrgAdminOrMentorEdit function does not find a task, the user is redirected to 404 page.

Script to run JSLint over JS files to check JS code quality. This script will run JSLint over all files in app/soc/content/js directory and subdirectories to check JS code guidelines compliance.

JSON2 utilities now loaded by default. This library is needed for melange general JS utilities package to work properly and parse melangeContext and melangeConfig JSON attributes.

Module Conversion also changes the RankerRoots associated with an Organization.

Now showing the message contained in Requests on the correct pages. Note that facilities to edit your message, and to perhaps change the message when accepting a request still need to be provided. Fixes Issue 385.

Process invite page now shows the right Role name in the page name.