Merge pull request #4 from mathiasjohanson/master

start/stop and thumbnail requests implemented
Simplified 3D screneshot taking
Added Access-Control-Allow-Origin for CORS
Changes to miles browser client
XPathDatamodel initialization and assignment fixes
fix license
Merge pull request #5 from enricop/master

XPathDatamodel initialization and assignment fixes
Better error handling
Merge branch 'master' of https://github.com/tklab-tud/uscxml
Support for "latest" when fetching 3d models
Removed debug output
Merge pull request #6 from mathiasjohanson/master

text messaging
Merge pull request #7 from mathiasjohanson/master

multipoint video
Some modifications to the vrml viewer
Merge branch 'master' of https://github.com/tklab-tud/uscxml
Cleanup in miles.js
Pass ressource root per parameter
Merge pull request #8 from mathiasjohanson/master

some small improvements
VRML Viewer now with WebGL
Merge branch 'master' of https://github.com/tklab-tud/uscxml