logo and markup fixes
Enforce https everywhere
Enforce https only for production env
Use newer angular-moment, which work well with uglifier
ignore assets cache
bunch of modifications
- text fields with urls for easy share
- handle upload errors
- generate openssl keys (still draft)
- handle secured uploads (draft)
- show uploads inline, add /download
  route to download
Merge branch 'master' into security_improvements

Conflicts:
	app/assets/javascripts/application.js.coffee