Split configure.zcml in two files
Split GS configs into its own file
Support plugins
Add a vocabulary to list plugins
Control panel only deals with the add on config. All other confis were moved to plugins
Clean up viewlet code.
Simplify page templates
Add upgrade step
Move upgrades to their own directory
Better document Plugin interfaces
Avoid Concrete Interface message
Remove references to non existing controlpanels
This method should return plugin by default
Some contexts will not have a @@images view available
Improve control panel testing
Add title and description to og metadata
Remove unused
Add function to generate an image to tests
Add new tests
Bump version