Self updater - fixes #76
* Fixed whitespace issue in updating process.
* Fixed classpath for self update process (Linux problem)
Bugfix for folder buttons - fixes #64
* Buttons are now disabled if folder does not exist
* Some additional minor fixes/TODOs for self updates
Merge branch 'develop' of https://github.com/MovingBlocks/TerasologyLauncher into develop

Conflicts:
	src/main/java/org/terasologylauncher/gui/SettingsMenu.java
	src/main/java/org/terasologylauncher/updater/LauncherUpdater.java
* Reverted checkstyle.xml
* SettingsMenu now using passed terasologyDirectory
Merge pull request #84 from skaldarnar/develop

Bug fixes for #64 and #76