Release 1.4.2
Fixed heap size boxes and their dependency.

Fixes #287
Modified the CSS styles to better work with Java 8.

Fixes #278
Removed duplicate copyright headers from CSS files.
removed another usage of `-fx-background-insets`.
removed rounded corners from content area
Merge pull request #288 from skaldarnar/heap_settings_bug

Heap settings bug
Integrate changes from the 1.4.2 release
Merge tag 'v1.4.2' into develop

Conflicts:
	version.txt
Removed obsolete ImageUtils class.
Updated GameJob.
- don't show TerasologyLegacy by default anymore (only installed versions)
- updated minimal versions w.r.t. to the latest changes + server crash
Fixed missing change listeners in settings dialog.
Updated Checkstyle settings and fixed some Checkstyle issues.

I think we agreed on not using the @author as the git history does a way better job.
Removed unwanted license header.
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