pivotTableRenderer now properly renders HTML into cells if that's what the aggregator's format function returns
Merge pull request #88 from fastcatch/render_cells_in_html

Render cells in HTML
First d3 renderer: treemap
use natural sort in filter menu (we have it, might as well)
Update ReadMe.md
date deriver returns '' for invalid date
shim for localization
reverting unintentional part of last commit
adding doctype to examples
some browsers don't support the console object
fix for #99
reverting unintentional part of last commit
cleaning up examples index page
mobile compatibility
filtered items (exclusions) are added to pivotUIoptions data attributes and accepted as option on creating a pivotUI