[2/3] Flip to Mute/Reject Call

Call Settings - add menu entry

PS:
- fix not sticking entry

PS:
- correct idention from the whole xml file

PS:
- add a personal settings category to have the settings better sorted and splitted

Change-Id: Ic011c5b9e10439fc900b1302f7e07dde494b2e5b
Fix crash in network mode settings

Change-Id: Ia3bec57cab559ebc55fa704d4aae7bb00576c65c