Luke Campagnola d436f4b634 Merge changes from Kratz:
- isocurveitem documentation
  - updates to GradientEditor and PlotItem docs
  - Fix for Canvas handling of item Z-position
2012-04-28 16:00:42 -04:00
..
2012-04-21 15:57:13 -04:00
2012-04-28 16:00:42 -04:00
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