doc and tests for SceneTransforms, fromElements in Cartesian2, Cartesian3 and Cartesian4.
Merge master to issue746
Change buildModuleUrl to always return an absolute URL.

Fixes #779.
Merge remote-tracking branch 'origin/master' into issue746
Simplify some code now that buildModuleUrl always returns absolute URLs.
Add a basic test for buildModuleUrl in require.toUrl mode, which is what the specs run under.
Make sure the URL returned by buildModuleUrl actually loads.
Update SceneTransforms.wgs84ToWindowCoordinates test.
Merge pull request #747 from AnalyticalGraphicsInc/issue746

ComputeScreenSpacePosition for polygon. Temporary fix for issue #746.
Merge pull request #780 from AnalyticalGraphicsInc/fixWorkerCreationFromBlobUrls

Change buildModuleUrl to always return an absolute URL.
Merge branch 'master' into batching