[1/2] Base: implement App circle sidebar

add whitelist app to include into circle view
rebased
make standalone patch

PS.15 : rebased
PS.16 : cleanup

Change-Id: I08d2a3a7e0f8df20e801e585d4cac8547a740a3e
[Patch 16] [1/2] Base: implement App circle sidebar

add whitelist app to include into circle view
rebased
make standalone patch
PS.15 : rebased
PS.16 : cleanup

link: https://gerrit.omnirom.org/#/c/6378/