fix memory #562

fix memory leak for AnimationSubGeometry, ParticleAnimationSe
little fix
fix import
fix ram leak

https://github.com/away3d/away3d-core-fp11/issues/555
+
allow application control dispose
Revert "allow application control dispose"

This reverts commit 382eccaa52af335959831741bd9408c689f1cb98.
SegmentSet: fixed various bugs and added suppport for multiple buffers
Merge pull request #579 from JohnBrookes/dev

Ortho centered for stageProxy views
SegmentSet: fix missing default subset after removeAllSegments has been called en when new segments are again added.
OBJParser: fixes some random charcode issues with delimiters on v, vt and f values
AWD2.1 - add Camera + update for Lights
Merge pull request #563 from gNikro/animator_memoryleak_fix

fix memory #562
Fix up previous merge request
AWD - fix for lights with no parent
reverted getSegmentByIndex() to getSegment()
fixes picking with shared context bug - https://github.com/away3d/away3d-core-fp11/issues/573
minor fix for obj parser uvs
fixes event propagation bug - https://github.com/away3d/away3d-core-fp11/issues/422
Add Name for DefaultTexture / DefaultMaterial