Added code mirror 4.2 code

https://bugzilla.redhat.com/show_bug.cgi?id=967096
deleted codemirror 2.2 code

https://bugzilla.redhat.com/show_bug.cgi?id=967096
Editing codemirror code in views, adjusted dhtmlx layout for proper scrolling

https://bugzilla.redhat.com/show_bug.cgi?id=967096
Codemirror css updates

https://bugzilla.redhat.com/show_bug.cgi?id=967096
converted tabs to spaces, adjusted formatting

https://bugzilla.redhat.com/show_bug.cgi?id=967096
Merge pull request #31 from epwinchell/codemirror4.2

Codemirror 4.2 upgrade and styling changes