/src-build/ is now also ignored
added compatibility with new gtk-version
added compatibility with new librsvg version
adapted lambda expression to the stricter syntax of the new g++ version syntax
ColorRGBA::rgba?_(mult|add) are now implemented outside the class body. In order to be compilable on the new, stricter g++ version
adapted syntax to the new stricter g++ version
adapted syntax to the new stricter g++ version: There must be now at least one gap between two string literals
added compatibility with new sfml version
Merge branch 'issue-not-compilable-with-linux-mint-14' into issue-unittests-failing-on-linux-mint-14
Base/Framework: Allowing to disable multithreading using a variable
VisualShaderComparator is working again
Base: Unittests: Logging a warning if the unittests are run with disabled  multithreading
wrote gtkmm3 migration roadmap
implemented first FindGtkmm3.cmake module search script
space-deminer is now compilable using gtkmm3
todo-file: added idea letting the planet-generator render and save as hdr-images
PlanetGenerator: Is now compilable using gtkmm3
Merge branch 'develop' into issue-switch-to-gtk3
Todo-List: added note to use multithreading in imageformat conversion
removed old unnecessary stuff