Merge pull request #344 from dschie/master

fixed remove shader from appearance
fixed missing closing comment in light node and minor optimization of turntable clamp to center experiment
some MultiPart fixes
cleaner request for IE / DOMNodeInsertedEvent
Moved fog application to the correct place
Merge pull request #345 from yurainr/fixfog

Moved fog application to the correct place
fixed initialization of DOMNodeInsertedEvent_perSubtree
Removed Oculus Rift classroom example
Merge branch 'master' of https://github.com/x3dom/x3dom
Removed outdated index.html file
Tutorials fixes (broken links and case-sensitivity issue with image
Improved IE compatibility and added fallback to css
Merge pull request #346 from bhaettasch/master

Improved IE compatibility and added fallback to css
some more MultiPart fixes
Merge branch 'master' of https://github.com/x3dom/x3dom
- support for multiple MultiParts
- support for transformed MultiParts
- modify MultiPart API
some more MultiPart optimization and modification
little MultiPart function order change
Tutorials: Improved IE compatibility

Added Meta-Tag to all html files
Updated the html files in the example zips
Merge pull request #348 from bhaettasch/master

Tutorials: Improved IE compatibility