Initial checkin of venn diagram.
Venn.js pass lint.
Fix broken link to sticigui.js in VennDiagram.
Match original venn diagram button ordering.
Tie button names directly through their handlers instead of going
through arbitrary css ids.
Don't use a for loop when creating the venn diagram percent controls,
  that way we can reference them without using an ID.
Cleaned Venn.css, removing styles only used on the demo page.
Cleaned Venn demo page up a bit.
Rename venn diagram .app to .stici_venn and use as a css namespace.
Don't hardcode venn container height.
Fix minor bug with radios not being checked when label is clicked.
Apply css namespace to popbox.
Reformat popbox.css
Add jquery-ui dependency to venn diagram.
Eliminate kinetic dependency from venn diagram.
Fix minor bug with radio button not being selected.
Add fill so that the box outlines are always visible.
Fix venn diagram to change seleciton on fills.
Renamed box{0,1,2} to be more indicative of what they are.
Add div for intersection.