Merge pull request #516 from thomas-mullaly/master

Added documentation for the SalesHub sample app (updated)
Document views.selected.
Document the timezone.
Update categoryField documentation
Update generated docs
Update docs to honour renamed recurrences properties
Add from field option
Update the data source filter documentation.
Document scheduler startTime and endTime.
Fix the scheduler api docs.
Remove slide animation
Add QRCode API reference documentation
Describe the new scroller methods
Remove obsolete stuff

Fix some engrish
Whitespace
Document breaking changes for listview
Change examples indentation to two spaces
Add barcode API reference documentation
Update scheduler jsp api reference.
Fix the barcode API reference formatting.