to rebase - change line delimiters from array to list
to rebase - headers in annotation model related classes
to rebase - missing headers in completion classes
to rebase - missing header on document eventbus
to rebase - missing header on docchangewrapper
to rebase - missing or incorrrect headers on keybinding related classes
to rebase - missing headers on partitioner
to rebase - incorrect headers on reconciler
WIP annotationmodel
Add interface for action on annotations
Extend EditorWidget with gutter methods