[vim keymap] Fix ;, behavior for d c y operators
[vim keymap] Add Ctrl-a Ctrl-x to increment/decrement numerical tokens
Fix typos in markText docs
[show-hint addon] Support displayText property for completions
Merge branch 'master' of https://github.com/marijnh/CodeMirror
Merge branch 'master' of https://github.com/jessegrosjean/CodeMirror