-selected action changes group's icon and toggles
-add reset selected action button
-creation block name presents the group on the palette
add custom diagram example
connector creation example
hide adapters classes
Merge remote-tracking branch 'remotes/origin/master' into 3.1/diagramPalette
rebuild after merge
fix broken refs
Merge remote-tracking branch 'remotes/origin/master' into 3.1/diagramPalette