Split the CodeMirror object overlay from the editors overlay
Remove unused import
Move editor instanciation as method on CodeMirror object
Move version(), modes(), mimes() to codemirror object overlay
Move hasShownHint, hasDialog and mime/mode/keymap methods to
CodeMirroroverlay
Add missing protected constructor
Fix method modifers order
Fix method modifier order
Use only one class for key bindings
Add missing javadoc for CMDocumentOverlay
Add temporary duplicates from jseditor
Add getDocumentHandle method
WIP autocomplete