Fix picking coordinates in 2D when map is rotated.
Add tests for picking and handling mouse input when 2D map is rotated.
Fix picking in 2D with rotated map.
Add tests for picking in 2D.
Update CHANGES.md.
Merge branch 'master' into pickCoordinates2D
Merge branch 'pickCoordinates2D' into picking

Conflicts:
	Source/Scene/Scene.js
	Specs/Scene/PickSpec.js
Replace getElementsByTagName with a case-insensitive regex to search for TileFormat
Merge branch 'master' into pickCoordinates2D
Merge branch 'pickCoordinates2D' into picking
Add regex search for TileSets as well
Fix #1336 by adding a master kill switch for inputs.
Handle casing differences in XML
Merge remote-tracking branch 'origin/master' into issue1336

Conflicts:
	CHANGES.md
Changes per review.
Merge remote-tracking branch 'origin/master' into issue1336

Conflicts:
	CHANGES.md
Add test for casing differences
Update CHANGES.md
Small fix in CHANGES.md
Merge pull request #1372 from AnalyticalGraphicsInc/issue1336

Fix #1336 by adding a master kill switch for inputs.