Fix warning with new JSHint version.
Fix extractVersion function.
Update JSHint to 2.1.10 to match the version in the Eclipse plugin.
Merge pull request #1275 from AnalyticalGraphicsInc/upgradeJsHint

Update JSHint to 2.1.10 to match the version included in the latest version of the Eclipse JSHint plugin.
Merge pull request #1274 from AnalyticalGraphicsInc/fixSafari

Fix extractVersion function.
Small optimization to Matrix4.fromTranslationQuaternionRotationScale.
Bump version to b22.
loadJson did not properly add the Accept header when no headers were provided.
Merge pull request #1280 from AnalyticalGraphicsInc/fixLoadJson

loadJson did not properly add the Accept header when no headers were provided.
Inline quaternion to rotation matrix in fromTranslationQuaternionRotationScale.
Merge pull request #1281 from AnalyticalGraphicsInc/matrixOpt

Translation-Quaternion Rotation-Scale
Merge branch 'master' into dynamicScene-geometry