Disabling start/stop operations

NDNx daemon is always started, NDNx Control Center is
only running auto-configure process when needed)

Change-Id: I91f8e44b587a6e278b141c28dba268e5fbd570be
Fix segfault on exit

Change-Id: If22fee14e6651f2ec215f764b2daa3c400f0fe63
Tableview resizing and checkbox removal

Change-Id: I4a6641d7b043888718cff77e2f07823aef1b75f2