BaseWindow -

DiskOverview -
   - add utilization pie chart

SpokeSelector -
   - status text should be white when a selector is focused

SpokeWindow -

StandaloneWindow -

New Widgets -

glade Integration -
   - add icons
   - audit all widgets for which signals and properties should be exposed in glade UI

Build -

Misc -
   - add test cases
   - coding standard document
   - can CSS live outside of C files?