update jshint and coffee
fix tests
bgTokenizer worker should not redraw unnecessarily
add selection.toJSON method
Almost working draft of basic undo coalescence
move undo delta merging to the editor
make undo coalescence configurable

off by default
add start/endOperation
pressing ctrl+home second time should restore selection
use operations for undo coalescence
enable undo coalescence by default
fix failing test
highlight escapes in sh mode
fix go string highlighting
update tests
More stuff for twig sample
Fix FreeMarker in ext/modelist
Prevent double prefixing of "included" rules
Rewrite xml rules.
Allow no prefix in TextHighlightRules.addRules()