made dateGenerator accessible from external plugin, this is useful for the tooltip plugin
Updated NEWS for the 0.8.2 release.
Update version numbers to 0.8.2 final.
Removed duplicate NEWS entry.
Fixed an error when plotting an empty dataset.

This was accidentally introduced by #1200; we can’t assume that
axis.ticks is an array.
Proposed fix for issue 1204: only enforce zoom limits in the direction of the zoom.
Updated version number to 0.8.3-alpha.
Logic tweak to save a few bytes.
Use floor instead of round for better sub-pixel accuracy.
Add sub-pixel adjustments to avoid blurry markings.

Fixes #1210.
Fix poor wording / typo in comment.
Merge pull request #1205 from naknak/issue1204

Proposed fix for issue 1204: only enforce zoom limits in the direction of the merge
Merge pull request #1028 from ilvalle/master

Make dateGenerator publicly accessible.
Improve the performance of large data processing
Pie: Fix combined data to keep all other original values.

But not only data, color, label, angle, percent as was before.
Allows to store own values in series and use them e.g. in labelFormatter.
Improve the performance of large data processing(fix spaces -> tabs)
Add a comment explaining why extend is being used
Merge pull request #1238 from SaM-Solutions/fix-combined-data

Pie: Fix combined data to keep all other original values.
Merge pull request #1221 from soenter/master

Improve the performance of large data processing