Fix a massive, silly bug in the fulltext fetching in Document.
Translate all strings in the JS.

Use the i18n-js gem to translate all of the strings present in
our JavaScript sources.  This was the first bit in finishing out
the translations for #70.
Sweep for untranslated strings. Closes #70.

This primarily translated all of the progress strings in the
new job status system, but also picked up a few others that had
been missed.
Update bundle, including ActiveAdmin syntax change.