Merge pull request #110 from niksoper/gh-pages

Removed unnecessary code from examples.
Merge pull request #112 from niksoper/gh-pages

Updates to examples after a general review of insight code.
Merge 'upstream' into gh-pages
Update to include new groupKeyFunction
Fix bubble axis function selection

Changes from x/y function to key/value function for the buttons for
different axis types for the app store sample
Update with rootClassName fix
Merge pull request #115 from tpkelly/gh-pages

Fix app-store bubble sample
Updated examples after renaming tickRotation to tickLabelRotation.
Updated examples after renaming labelFormat to tickLabelFormat.