[1/2] Base: implement App circle sidebar

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

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

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

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