Merge pull request #77 from eile/master

Bump CMake tree
Merge pull request #78 from eile/master

Lunchbox release and documentation website stuff
Bump version
Minor fix on update target
Merge pull request #80 from eile/master

Implement option to clone repos shallow
Using custom QT_USE_FILE to include Qt4 directories with the SYSTEM option
Merge pull request #82 from eile/master

Fix the remove source directory mess made by ExternalProject
Merge pull request #83 from eile/master

More fixing of the remove source directory mess made by ExternalProject
Configuring the system QT_USE_FILE instead of using a preprocessed one.
Inline configure_use_qt4.
Merge pull request #81 from rdumusc/master

Using custom QT_USE_FILE to include Qt4 directories with the SYSTEM option
Fix CMake warning
Merge pull request #84 from tribal-tec/master

Fix CMake warning
Merge branch 'master' of https://github.com/Eyescale/Buildyard
Implement building only required dependencies, use it for Travis