Update CMake subtree to fix unit tests (location and working directory).

Change-Id: I8366d0dd931c148438fdebcc2055d5a9dc178fd0
Merge pull request #108 from rdumusc/master

Update CMake subtree to fix unit tests (location and working directory).
Moved the Options out of the Configuration class.

Change-Id: Ia434d044976a68309db626e78afbaf824f227fe5
Added a RenderController to handle all rendering options.

Change-Id: I46e9cd223b2af5f7ec2329f927a0dbcaff4df156
Cleaned the error messages and removed the random exit(-1).

Change-Id: I26948a3ca397660794cded2ed09af62229d456d3
Minor bugfixes and interface cleanups.

Change-Id: I6a3329298db3f98ccdad62c8225ea54349f68e30
Move BackgroundWidget to DisplayCluster application.

Change-Id: If282316c6065c53dcb6db527d7fc47f37ebce0b4