Save names of successful keyCaptures in keyCapture
Add arethusaUtil.formatKeyHint()
Store active sidepanel keys in sidepanel service
Show keyHint in sidepanelFolder directive text
Store activeKeys in state
Refactor deselector directive
Refactor saver directive
Add key hints to histUndo and histRedo
Add keyHints to dependencyTree
Start to play around with a help panel
Format hotkey list in helpPanel
Fix title locations for navbar buttons

They were tied to the icon - not the button itself, which made it hard
to trigger them through hovering.
Merge pull request #281 from latin-language-toolkit/keymap

Keeping track of mapped keyboard hotkeys