moar consistency

Use plus icon on all fragments that allows to add something.

Change-Id: Ibe88c9d0bdd486c9e79a91d4e1a1023a7da1e1b5
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
Merge branch 'kitkat' of github.com:AOKP/packages_apps_ROMControl into kitkat