Don't use bootstrap's styles in pivot table
Use patched updates to save bandwidth
Move pivot table computation code to a function
Add literal copy of pivot_table() from pandas (0.13)
Clean up cdx/pivot.py
Upgrade to bootstrap 3.x and font-awesome 4.x
Rename pivot.css -> pivot.less
Fix watch of less directory
Change layout percentages
Add new pivot
More changes to pivot_table()
Use pivot_tables() instead one from pandas
Add missing Bool import
Remove ipython.css from cdx.html (at least for now)

ipython.css contains old bootstrap, which conflicts with v3.x.
Display menus with fields to add
Exclude selected items from fields' list