Add a circlular memory indicator to the recent panel view (2/2)

Picked from Chameleon OS
http://goo.gl/vgL71x

It allows to be toggled on/off as well as setting a custom location

Colors are not solid, they have an alpha channel to provide
transparency, this way it doesnt interfer much with the recents
panel view.

Screenshot:
http://goo.gl/Th7g0j

Frameworks Part:
https://gerrit.omnirom.org/#/c/3008/

Change-Id: I07999d476a16d24ddf9c6de441ae646887da8074
[2/2] OmniGears: Fix pimp up ActiveDisplay

Base part: https://gerrit.omnirom.org/#/c/3380/

Change-Id: Ief2aa6802ad25a86b49d06bab1b9e34140dc5db5