bug fix - xhtml is not supported.
Merge branch 'master' of vierwerf:/opt/git/jwt

Conflicts:
	examples/composer/src/eu/webtoolkit/jwt/examples/composer/ComposerMain.java
Merge branch 'master' of vierwerf:/opt/git/jwt
Merge branch 'master' of vierwerf:/opt/git/jwt
Merge branch 'master' of vierwerf:/opt/git/jwt
Merge branch 'master' of vierwerf:/opt/git/jwt
Merge branch 'master' of /opt/git/jwt
small fixes and feature enchancements
minified that
merged in WebGL/3DCharts implementation
synced up with master
a whole lot of improvements from C++ Wt
added missing files