Moved initial autoscale/fit method to an handler of the "changed" event.

Cleanup of linegraph's event handling
Fixed #1557: Make sure we don't default to scientific notation.
Couple of minor fixes in group counts and ranges.

-Keep single defaults location
-Update documentation on formatting function.

Some fixes and cleanups after the large rewrite.

Provide the DataView.map() method similar to the DataSet one.

Fixes DOM API deprecation warning in Chrome.
Please see: https://www.chromestatus.com/features/5724912467574784

This is an improved version of PR #1501.

Minor cleanup

-Draw points in bar icon if appropriate
-Introduce point icon
-Cleanups

Add some enhancements for stacking (especially with regard to shading)

-Never push into arrays that have a known length
-Move more functions back into the main updateGraph method

Fix no-group data input case.

Separate shading from line drawing (fixes drawing order)
Cleanup of draw code
Fix icon-shading CSS override

added docs

Bug in Range.js call to DateUtil.getHiddenDurationBetween. It was passing in this.options.moment which is not expected by getHiddenDurationBetween.

It was implemented in commit 4e6c5a5 and accidentally deleted in commit
f39c246.