Add LineColor to LineMeter
Add ability to set LineMeter's LineColor in UI

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Add Flip option to LineMeter

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Add ability to change flip property in UI

Signed-off-by: James Tasker <james_tasker1@hotmail.com>