add gui functions for adding subrequiremetns
fix null iteration date issue
added controller, observer, and entity manager, will not work until panel is implemented
added JFreeChart
ignore bad core test
Lots of files changed, added view iteration tab and panel for future work
remove files that will never be used
Started gui for creating and editing release numbers
Merge branch 'dev' into dev-feature-releasenumbergui
Added toolbar view for working with release numbers.
Iteration Table added (does not retrieve from database)
Merge branch 'dev-feature-releasenumberdb' into dev-feature-releasenumbergui
Integrated db stuff with gui.
Finished implemented backend for release numbers.
Added entity manager to core's map. Fixed an issue with toJSON method in ReleaseNumber. Got most of the code written for release numbers, but I'm getting a JSON formatting error, and haven't figured out the cause yet.
Some more changes. The release numbers are failing validation for some reason.
Current progress adding the chart. Panel exists.
Added requirement note model tests
Added header comment
Added release number model tests