custom sortFunction in columnLabes. Issue #17
Refactor date/time specs.
Merge branch 'master' of github.com:rjackson/pivot.js
Fix issue with Safari not parsing millis since epoch properly.
Merge branch 'master' of github.com:m4urer/pivot.js into m4urer-master
Add tests for using a sortFunction with columnLabelable fields.
Simplify usage of sortFunction.
Add documentation about sortFunction and displayFunction for fields.
Update docs.
Update Gemfile.
Update demo CSV data.
Update GA.
Update jquery_pivot.js
Replaced <h2> tags with CSS class.
Removed dynamic styling and replaced with class.
Changed fields div styling to class.
Ensure that when building filter fields that filter doesn't already exist (prevents duplicates) being created/inserted.
Merge pull request #25 from SBrownAU/master

Ensure that when building filter fields that filter doesn't already exist
Added bold to the pivot_header2 css class.
Increased header2 font size.