First version of mirror example
Use cursor:grab; instead of pointer
Prefixes and fallback
Merge pull request #323 from Rudloff/cursor

Grab cursor
Merge branch 'ccamp' of https://github.com/x3dom/x3dom
Added glFrustum-like matrix setup function
Merge branch 'master' of https://github.com/x3dom/x3dom
includescript edited, screenshots fixed
Merge branch 'master' into ccamp
merge