v1.9.1

Change log for v1.9.1

2017-01-23 - Tim McGee - a47b514 - Remove unused parameter
2017-01-23 - Tim McGee - 0184752 - add the word "widget" for clarity.
2017-01-23 - Tim McGee - 22d36ff - updated README and landing page
2017-01-23 - Tim McGee - d4e43a3 - screenshots for report widget.
2017-01-23 - Tim McGee - 98bb8fc - basic docs and image for OpenExternalMap widget
2017-01-23 - Tim McGee - 8cf96a8 - basic docs and demo for messagebox widget
2017-01-23 - Tim McGee - c8eca6d - updated Report widget with working demo
2017-01-20 - Tim McGee - a5c410c - Merge pull request #90 from tmcgee/greenkeeper/grunt-contrib-compress-1.4.1
2017-01-19 - greenkeeper[bot] - 2c482d1 - fix(package): update grunt-contrib-compress to version 1.4.1
2017-01-18 - Tim McGee - 0552296 - optionally use the map's center point everytime the extent is updated. some in-line docs and other code clean-up.
2017-01-18 - Tim McGee - 8485a82 - Merge pull request #88 from tmcgee/greenkeeper/update-all
2017-01-18 - greenkeeper[bot] - 26ce89b - chore(package): update dependencies