When handling a restored webgl context event, save the newly created context and remove the lost one
Fix typo in PrimitiveShader.destroy method
The matrix "apply" function

For converting a point trough the matrix. Returns a new point.
Fix typo in FilterTexture constructor
Returning a PIXI.Point
The function name shouldn't be "toGlobal" of course.

- Added comments.
Added a 2nd parameter, newPos

Added a 2nd parameter, newPos, so a new point isn't necessarily created.
Fix the ImageLoader.loadFramedSpriteSheet method to generate frames correctly
ImageLoader documentation fixes
Remove duplicated statement
Merge branch 'dev'
published files for v1.6.1
bump versions to v1.6.1
Merge pull request #856 from lucbloom/matrix-apply-applyInverse

The matrix "apply" function
simplify matrix apply methods
Added destroy method to prototype of StripShader
Commented out references of the primitive batch in the WebGL renderer
Missing originalEvent property on InteractionManager.onMouseOut method
fix a typo in readme; closes #877
Merge pull request #876 from JaapRood/master

Fixed destroying of WebGLRenderer