file overview implemented
Fix bug in file upload on status page
Update bootstrap version
Implement security check contextual window item
Remove windows instructions
Customize footer, indicating how to modify it
fixed texts
Fix typo of a typo!
Merge pull request #49 from globaleaks/feature/file_overview

file overview implemented
Merge remote-tracking branch 'origin/master' into feature/modular_submission

* origin/master:
  Fix typo of a typo!
  fixed texts
  Customize footer, indicating how to modify it
  Remove windows instructions
  Implement security check contextual window item
  Update bootstrap version
  Fix bug in file upload on status page
  file overview implemented

Conflicts:
	app/styles/app/main.css