OCSADV-119: Changed PosAngleConstraint to support UNBOUNDED.
OCSADV-121: Encapsulated position angle and parallactic angles in one control with respect to new mockup and made changes to GMOS, GNIRS, and F2 to accommodate those changes.
OCSADV-23: Cleanup of unused import statements.
OCSADV-23: Made changes for Java 1.7 compatibility and generalized the EnableDisableComboBox component to its own reusable class.
OCSADV-23: Made changes for Java 1.7 compatibility and generalized the EnableDisableComboBox component to its own reusable class.
OCSADV-23: Checking in all code for review and test build.
OCSADV-23: Undoing bad change error from IDEA.
OCSADV-23: Undoing bad change error from IDEA.
OCSADV-120: Added some logic for PatrolField to be able to use no position angle.
OCSADV-23: Changed PatrolField back as logic is not needed, removed the UNKNOWN PosAngleConstraint, and greyed out the UNBOUNDED PosAngleConstraint from the PositionAnglePanel in order to prepare for testing (until the logic is completed).
OCSADV-23: Minor changes and bugfix.
Merge pull request #34 from sraaphorst/feature/OCSADV-23

GUI changes for best position angle feature / parallactic angle feature, merging for GUI testing.