SP-1121:
- Included checkin script path functionality for the HTML5 checkin widget
- Added feedback for the HTML5 Checkin widget after checkin
- Added ability to reference popup layout from where the checkin widget button was clicked
SP-997:
- Fixed bug where if close sub tab it clears all sub tabs and content
  and the content of the main tab that contains the subtabs
SP-997:
- Changed logic in tab close function to fix bug and accommodate for any
  element in the tab content passed to the function
SP-1121:
- Modified HTML5 checkin widget to incorporate transactions and error handling
SP-1121:
- Changed server transaction start to log checkin type instead of type
Merge pull request #57 from Southpaw-TACTIC/SP-1121

SP-1121:
Merge pull request #60 from Southpaw-TACTIC/SP-997

SP-997:
BRANCH 4.2:
  corrected typo in CLIENT API method get_output_tasks
Merge pull request #24 from Southpaw-TACTIC/4.2

4.2