LUN-734 -- use CodeMirror to display template_code
LUN-734 -- small change
LUN-734 -- Default textarea for template code when the snippet is editable
LUN-600 -- removed comment
LUN-734 -- fix identation + CodeMirror call
LUN-734 -- fixed indentation
Fix indentation by just doing an untabify
Merge pull request #23 from pbs/LUN-734

Lun 734 -- When "Read only" is checked the code is displayed unproper, if displayed this way when copy it and paste the variables will not be automated populated.