Add color palette to morph in confEditor

Also uses a new morphConfCtrl. Very basic and can't be edited right now
- this will follow later.
Add style function to morph plugin
Colorize lemmata in morph2 template
Add style functions to state
Write style from morph to state on initial load
Use the ngStyle in token template
Merge pull request #69 from latin-language-toolkit/colors

Colors