GWTII-199 added assembly for aggregating javadoc in the documentation modules.
GWTII-199 Assemble javadoc for modules
GWTII-209: remove standalone example modules from plugins
Merge branch 'GWTII-199-Assemble-javadoc-in-documentation-modules' into GWTII-207_addGraphicsEditingPlugin

Conflicts:
	plugin/corewidget/pom.xml
	plugin/editing/pom.xml
	plugin/geocoder/pom.xml
GWTII-209: remove standalone example modules from plugin graphicsediting
GWTII-209: remove standalone example modules from plugin graphicsediting (merge correction)