Create ace.js

This is the core of ace editor
Create mode-css.js

CSS editor styles
Create theme-chrome.js

Chrome style for editor
Create worker-css.js

CSS debugger and helper. Maybe we should remove this because of the speed of site. (It's about 130kb)
Update ot-admin.js

Initialize the CSS editors once theme options page is loaded.
Update ot-admin.css

Add some styles for new CSS editor
Update ot-functions-admin.php

Enqueue ace.js file in OT
Update ot-functions-option-types.php

Replace old CSS field with the new one which supports css editor
clean up
Merge branch 'imangm-wip' into wip
include ace editor