Clear the selection when the table be opened

Signed-off-by: tianyuli <tli@wpi.edu>
fixed viewing of the backlog
fixed a null pointer when creating a table
fixed the null pointer exception to be like th iteration panel
Instead of removing all children when a child is deleted, only delete that child from the list
Merge branch 'team1-dev' of github.com:cmdunkers/wpi-suite-tng into team1-dev
Child requirement is only set to iterations that aren't in the past
Charts with no data don't show up and have a message.

Signed-off-by: Evan Polekoff <epolekoff@gmail.com>
Merge branch 'team1-dev' of https://github.com/cmdunkers/wpi-suite-tng into team1-dev
Made font for error message readable.

Signed-off-by: Evan Polekoff <epolekoff@gmail.com>
Make the combo box for status in the table legal. Note that the change between OPEN and INPROGRESS does not work since it cause iteration changes

Signed-off-by: tianyuli <tli@wpi.edu>
fixed a small potential bug in the validator
Merge remote-tracking branch 'origin/team1-dev' into team1-dev
Made the Close If Closed function to close all tasks.

Signed-off-by: Evan Polekoff <epolekoff@gmail.com>
Merge branch 'team1-dev' of https://github.com/cmdunkers/wpi-suite-tng into team1-dev
Added TreeView tooptip.

Signed-off-by: Arica Liu <aricaliu@wpi.edu>
Merge remote-tracking branch 'origin/team1-dev' into team1-dev
Merge remote-tracking branch 'origin/team1-dev' into team1-dev

Conflicts:
	RequirementsManager/src/edu/wpi/cs/wpisuitetng/modules/RequirementsManager/tabs/RequirementListPanel.java

Signed-off-by: tianyuli <tli@wpi.edu>
Merge remote-tracking branch 'origin/team1-dev' into team1-dev
Merge remote-tracking branch 'origin/team1-dev' into team1-tablevalidate