Make sure that commands initiated from the toolbar and via command keys result in the same command string. Previously some of the toolbar commands used the 'edit' prefix where they should have used 'para' or 'style' etc.
Make toolbar nav commands use the same function as other edit commands.
Move the remaining special case toolbar functions to use execCommand.
Merge branch 'arthur' into applycss
Refactor so that both internal quink and rangy implementations of css class appliers can be used. Query param allows switching (formatblock=rangy|quink).
Rangy implementation not quite finished.
Remove existing css classes from the selection prior to applying a new one to avoid multiple classes being applied to the same selection.