Fixed tree view filtering to work with the actual filters. **No Requirement Found message is behind**
Fixed merge conflict
Started to implement checking for duplicate filters
Merge branch 'dev-set3-filter' of github.com:333fred/wpi-suite-tng into dev-set3-filter
Added duplication check on saving filters
Fixed array bug in RequirementsEntityManager tesT
Fixed tree view not updating properly
Merge branch 'dev-set3-iteration5' of github.com:333fred/wpi-suite-tng into dev-set3-iteration5
[Matt and I] Updated popupmenu to refresh tabs. Fixed nullpointer when trying to drag subreq off tree
[Matt and I] Provided sorting for top level reqs
Began Refactoring Detail Panel
Merge branch 'dev-set3-iteration5' of https://github.com/333fred/wpi-suite-tng into dev-set3-iteration5
made it so you cannot delete a requirement if it has children and you cannot mark it as complete if its children are not complete
More Detail Panel Refactoring - Breaking constructor into sub-methods
Merge branch 'dev-set3-iteration5' of https://github.com/333fred/wpi-suite-tng into dev-set3-iteration5
Made a few changes to Creating_Filters.html and finished Using_Filters.html
Merge branch 'dev-set3-filter' of github.com:333fred/wpi-suite-tng into dev-set3-iteration5
Fixed bug with UI validation on the detail panel. Cleaned up RequirementTableView
Merge branch 'dev-set3-iteration5' of github.com:333fred/wpi-suite-tng into dev-set3-iteration5
Added disabling to subreq panel. Deleted requirements can't be moved/moved to in the tree