Merge pull request #49 from Eyescale/1.6

1.6 cmake subtree update to get launchpad uploads
Merge pull request #52 from Eyescale/1.6

Doxygen fixes
Fix Magellan OS X finder
Denoise and generalize API doc installation
Clean up doxygen install rules
Tweak dox index page
Fix doxygit script invocation
Quiten displaycluster finder
CommonCPack: add examples component
Simplify and fix setting of CPACK_PACKAGE_FILE_NAME
Merge pull request #55 from rballester/master

4D tensor decomposition
Fix OS X build, remove dangerous -1 on unsigned
Merge pull request #56 from Eyescale/master

Fix OS X build
Fix VRPN finder
Better granularity for DEB dependencies
Fix GL feature detection for hwloc
Merge pull request #22 from tribal-tec/master

Fix GL feature detection for hwloc
Fix GLEW_MX finder
Fix GLEW_MX finder
Add glxewContextInit needed on OS X since MacPorts GLEXMx does not cover GLX