The stats tab (REALLY tentative)
Added 3d look
Made 3d effect more convincing
Wrapped the pie into a chart
Merge branch 'next' (rel 0.7.1) into stats
A first implementation of SRS distribution
Merge branch 'next' into stats
Fixed warnings
Added attributes to custom widgets
Added title to SRS pie chart
Removed obsolete stuff
Made it scrollable
Fixed a few trivial misuses of custom attr API
Made chart titles bigger
Added kanji and vocab progressions
Added some documentation
Added some documentation, simplified logic
Fixed bug causing the enlighten SRS not to be displayed
Correct handling of a single slice (100%)
Serialization of stuf stats need