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
Merge branch 'master' of https://github.com/Eyescale/CMake into 1.6
Merge branch 'master' of https://github.com/Eyescale/CMake into 1.6
Merge branch 'master' of https://github.com/Eyescale/CMake into 1.6
Merge branch '1.6' of https://github.com/VMML/vmmlib into 1.6
Merge branch 'master' of https://github.com/Eyescale/CMake into 1.6
Merge branch '1.6' of https://github.com/Eyescale/vmmlib into 1.6
Fix vector assignment operator
Simplify Vector::operator ==
Simplify Vector::operator == more
Merge branch '1.6'