FIX view movies for guests and add feature test

Squashed commit of the following:

commit b5433d07c5715ac3a263ad04e4bb38e77f8c2129
Author: Thomas Schank <DrTom@schank.ch>
Date:   Tue May 21 10:09:43 2013 +0200

    Added feature test for watching a movie as a guest

commit e19a171d97b078cac9fcf90c3448d83586390484
Author: Thomas Schank <DrTom@schank.ch>
Date:   Tue May 21 09:53:51 2013 +0200

    Enabled Guest to view previews

commit 018eeafa36eb2d2f5691563a9968a3a21a7b41aa
Author: Thomas Schank <DrTom@schank.ch>
Date:   Tue May 21 09:11:49 2013 +0200

    Added tar of media_files_with_movie for feature test

commit 9037a54c2524ac9d3d0580450ddde964eb2cdca1
Author: Thomas Schank <DrTom@schank.ch>
Date:   Tue May 21 09:05:47 2013 +0200

    Personas db with movie to test public viewing
Added info about the current deployment
1.3.0 has been accepted.
Removed applied meta data definition file
Translated media_entries.
This is now the stable/accepted version.
Centralized configuration for the stable version.
Fixing video encoding on test.
Translating keywords, layouts, import, groups, filter_sets.
Fixing locale files.
Don't pry.
Fix important typo.
Fix the translation.
Main translations done.
Translating the explore section.
That doesn't have to be here.
Add Jed for JavaScript string translation.
Trying to get string interpolation to work with gettext (probably was just wrong way to call the method)
Whoopsy-daisy
Precompile the languages.