chinese translation, partial

Texteditor fontawesome and overlapping element on mobile footer

Add bower support

deleted unnecessary function - updated select2 placeholder

Ignore folder nbproject

Sidebar fix, cdn fix, cleanup and mispelling

Fix minor spelling issue on 404 page

exsist != exist

Remove dropdown arrow which is problematic on some dropdown

Fix menu close on touch device that is cause by having two events on the sidebar

css fix by @laggingreflex 

Fixes a couple of CSS errors in `custom.css` which were preventing it to compile by LESS CSS compiler

Remove overlapping of content on some input element

Add telephone number validation thanks to @christianesperar 

Fix error and warning found on console. Outstanding comtribution by @christianesperar