Add codemirror as code, not a submodule

...les/originalComponents/static/admin/codemirror/.gitignore

...es/originalComponents/static/admin/codemirror/.travis.yml

...amples/originalComponents/static/admin/codemirror/LICENSE

...ples/originalComponents/static/admin/codemirror/README.md

...alComponents/static/admin/codemirror/demo/activeline.html

...alComponents/static/admin/codemirror/demo/changemode.html

...inalComponents/static/admin/codemirror/demo/closetag.html

...inalComponents/static/admin/codemirror/demo/complete.html

...riginalComponents/static/admin/codemirror/demo/emacs.html

...ginalComponents/static/admin/codemirror/demo/folding.html

...alComponents/static/admin/codemirror/demo/formatting.html

...alComponents/static/admin/codemirror/demo/fullscreen.html

...inalComponents/static/admin/codemirror/demo/loadmode.html

...iginalComponents/static/admin/codemirror/demo/marker.html

...onents/static/admin/codemirror/demo/matchhighlighter.html

...nalComponents/static/admin/codemirror/demo/multiplex.html

...inalComponents/static/admin/codemirror/demo/mustache.html

...ginalComponents/static/admin/codemirror/demo/preview.html

...iginalComponents/static/admin/codemirror/demo/resize.html

...ginalComponents/static/admin/codemirror/demo/runmode.html