Upgrade from 3.20 to 3.22

Includes a load of good bug fixes plus Erlang and YAML and 2 new themes
- MDN Like and Pastel on Dark
Erlang, Julia and YAML languages included

Java is part of the C Like language group
Julia available as part of CodeMirror minification helper, seperate JS
file used for now
4 new languages added

Erlang, Java, Julia and YAML
4 new lanuages added

Erlang, Java, Julia and YAML
Need to handle commenting
Julia added as a seperate file as a temp measure

Not available in CodeMirror minification helper right now
Using CodeMirror 3.22 now