added the abiity to retrieve the users from the database and set the list of the user to that in the gui
also will update when the buttons are pressed i the edit user permissions panel
Merge remote-tracking branch 'origin/team1-permissions-database' into team1-permissions

Conflicts:
	RequirementsManager/src/edu/wpi/cs/wpisuitetng/modules/RequirementsManager/requirements/RequirementPanel.java
	RequirementsManager/src/edu/wpi/cs/wpisuitetng/modules/RequirementsManager/rmpermissions/UserPermissionPanel.java