Added SubRequirementList class in .characteristics, which stores a list of the IDs of the requirements that are assigned as subrequirements of the requirement in question.
Removed sub-requirement class. Will implement parent IDs intead
Removed sub-requirement parameter and related methods from Requirement class and added parentID parameter and associated methods
Now have an Add Child Button. Fixed some permissions when a requirement is deleted
Merge branch 'developer' into developer-subrequirement
added get requirement by ID
Cleanup root directory
Merge branch 'developer' of github.com:djkirby/wpi-suite-tng into developer
Merge branch 'developer' into developer-subrequirement
added all of the copyright information to the tops of all files in our module
Renamed database so that db4o would stop erroring
Fixed issue where requirements were being duplicated.
Fixed database error
Merge branch 'developer-subrequirement' of github.com:djkirby/wpi-suite-tng into developer-subrequirement
Changed parent setters
fixed add child status dependencies
Merge branch 'developer-subrequirement' of https://github.com/djkirby/wpi-suite-tng into developer-subrequirement
Implemented method getParent in Requirement class
Merge branch 'developer-subrequirement' of github.com:djkirby/wpi-suite-tng into developer-subrequirement
Merge branch 'developer' into developer-subrequirement