reorganizes code and adds simple features
adds a lot to the beginning of the file for readme
refactors most of action manager, removes unnessasary code from note_branch
reintegrates changed action mananger into changes
removes commented code
fixes redo stack bug
fixes focus bug on undoing create note
makes many changes & builds the framework for compound history actions
action mananger now allows compound actions!
removes incorrect comments
merge with preceeding works without flaw
adds to history stack when using ctrl keys to jump note up or down
finalizes action manager
Merge branch 'master' into Ticket0531