Remove old mkt urls (bug 1019501)
Remove old #upload-webapp-url CSS/JS (bug 1019501)
Remove devreg/ static files (bug 1019501)
Remove settings.APP_PREVIEW (bug 1019501)
Remove MKT template (bug 1019501)
Merge pull request #106 from yohanboniface/codecleaning

Cleaning MKT things