Update codemirror to version 4.4.0

because it is awesome !
update to codemirror 4.6.0
Merge pull request #29 from Carreau/codemirror-4.4

Update codemirror to version 4.6.0
update font-awesome
Merge pull request #33 from SylvainCorlay/update_fontawesome

Update font-awesome to 4.2.0
add text-encoding

provides TextEncoder polyfill for utf8 data in ArrayBuffer