Merge pull request #906 from FedeOmoto/dev ...

Unused properties in WebGLMaskManager constructor

Merge branch 'dev' of https://github.com/GoodBoyDigital/pixi.js into dev

Add Render Texture invalid size check

TilingSprite._renderWebGL: missing mask argument in renderSession.maskManager.popMask call

Fix complexPrimitiveShader reference in WebGLStencilManager.bindGraphics method

Missing destroy of complexPrimitiveShader in WebGLShaderManager.destroy method

Unused property in WebGLShaderManager constructor

Unused properties in WebGLMaskManager constructor (two more)

Unused properties in WebGLMaskManager constructor

Unused property in WebGLGraphics.renderGraphics method

Double assingment in Graphics.drawPath mathod

Guards against the texture crop width/height being zero (which crashes IE11)

Merge pull request #851 from FedeOmoto/dev ...

When handling a restored webgl context event, save the newly created context and remove the lost one

Prefer bind over 'var scope = this;'

added getImage function to renderTexture ...

Also added getBase64 function to render texture.
Useful for saving out images into HTML world

Circle getBounds width and height corrected

Forwarding the ‘preserveDrawingBuffer’ argument from the autoDetectRenderer to the WebGLRenderer

Merge pull request #876 from JaapRood/master ...

Fixed destroying of WebGLRenderer

Missing originalEvent property on InteractionManager.onMouseOut method

Commented out references of the primitive batch in the WebGL renderer

Added destroy method to prototype of StripShader

simplify matrix apply methods

Merge pull request #856 from lucbloom/matrix-apply-applyInverse ...

The matrix "apply" function

Fixes #870 ...

Rounded rect now works in webGL

Remove duplicated statement

Remove trailing commas from object property lists ...

Removing trailing commas for:
- internal consistency;
- compatibility with the Google Closure compiler defaults.

The Google Closure compiler assumes ECMAScript 3 and emits errors when
parsing objects with trailing commas in their property list.
(Compilation succeeds if the user manually specifies ECMAScript 5.)

Added 0 width check to DisplayObjectContainer

Merge branch 'dev' of https://github.com/GoodBoyDigital/pixi.js into dev

Fixed typo in URL

`this.textureChange` is no longer used in any object, anywhere within Pixi, so this check now appears to be redundant - and is changing the internal class shape of Pixi.Sprite as a result (adding a property that doesn't exist).