Code cleanup
Basic concept for involvment filtering in area screen

refs #56
Code cleanup
Enable to filter the area screen by interest.

refs #56
Implemented filtering of issues to self-initiated in area screen.

refs #56
Fix variable scope error in area
Added filtering by conditional support in area screen.
Added filtering by satisfied support to area screen.

refs #56
Make "My Status" filter available in area screen.

closes #56