Added GWT storage support
Added jar and xml files
Updated local storage support
Fixed text area
Resolved merge conflict
Tried to make applicationstate serializable
Destroyed stuff and made sure that everything works (not)
Geometries and mixers are now loaded from the server when the application starts. Currently, the geometries and mixers are hardcoded on the server-side, but it should be easy to change that.

I also made the loading panel a bit nicer, with a message below the animation. In the process, I cleaned up the CSS.
Merge branch 'GWT-storage' of ssh://github/Fingerpaint/project-code into GWT-storage

Conflicts:
	fingerpaint/application/src/nl/tue/fingerpaint/client/Fingerpaint.java
Removed unused "Koekje" class from Benjamin.
Merge branch 'GWT-storage'

Conflicts:
	fingerpaint/application/src/nl/tue/fingerpaint/client/ApplicationState.java
	fingerpaint/application/src/nl/tue/fingerpaint/client/Fingerpaint.java

Now, the geometries and mixers are loaded from the server and the loading panel is a bit nicer.
Deleted the complete websocket package, since we decided we will not be using sockets after all.
Messily (that's a word, I checked) resolved a merge conflict