Merge pull request #66 from garys-esri/master

Added createLocationSimulator() factory method
Merge pull request #67 from garys-esri/master

Added toggleLabels()
Merge pull request #68 from garys-esri/master

Changed LocationSimulator(InputStream) from private to public
Update README.md

Updating ArcGISSolutions tag.
Merge remote-tracking branch 'upstream/master'