support tQuery.nowSeconds() - plan for migration\
example for leap availability
added deviceorientation support + better doc
refactorisation started - see #291
added possibility to setup material in cannon.js
beautifullation
cleanup
changed maxDelta notified to 0.2sec
remove background
test
added blending
added material in creator
added tQuery.convert.toThreeMaterial + no args in .toVector3