Test canvas size with an untainted canvas
Do not shrink test canvas
Make comment about shrinking the canvas more descriptive
Merge pull request #1956 from ahocevar/shrink-comment

Make comment about shrinking the canvas more descriptive
Use ol.dom.createCanvasContext2D and remove canvas variable
Merge pull request #1955 from ahocevar/canvas-no-taint

Test canvas size with an untainted canvas
Change renderer order in getRendererFromQueryString

To order should be the same as ol.DEFAULT_RENDERER_HINTS.
See #887
Merge pull request #1958 from fredj/renderer-order

Change renderer order in getRendererFromQueryString
Set shouldStopEvent to identity in DragBox

This fixes a bug where the map is panned when boxes are drawn.
Use goog.functions.identity where it makes sense
Merge pull request #1960 from elemoine/stopevent

Implement shouldStopEvent in DragBox interaction
Define ol.pointer.PointerEvent.createMouseEvent before using it

Fixes #1961
Merge pull request #1962 from fredj/1961

Define ol.pointer.PointerEvent.createMouseEvent before using it