Added support for user defined java and game parameters
* no gui support, i am not familiar with JavaFX
Fix some checkstyle errors
Change versioning to git describe
Fixed javadoc
A little bit more default GC tuning
delete backslashes
Merge pull request #296 from msteiger/javadoc

Fixed javadoc
Merge pull request #295 from msteiger/git_describe

Change versioning to git describe
Revert "Change versioning to git describe"
Merge pull request #298 from MovingBlocks/revert-295-git_describe

Revert "Change versioning to git describe"
Addded GUI support for user defined java and game parameters
Fixed publicity of DEFAULT strings in LauncherSettings
Merge pull request #297 from GeckoTheGeek42/develop

Added support for user defined java and game parameters
Commit Message guidelines added to CONTRIBUTING
Merge pull request #293 from skaldarnar/javafx_cleanup

Javafx cleanup