Added search index admin to be able to easier handle search index changes. Fix #1930.
Use IRC notices instead of channel messages to notify about test statuses. Also don't join/leave always.
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This also fixes the name of the LANGUAGES setting to adher to what Django expects —  an iterable of two-tuples. The settings dict setting is now called LANGUAGES_DICT.
With this in place the deployment only requires running `./manage.py compilejsi18n`.

Fixes #1809.
Merge pull request #2167 from jezdez/search-multiple-indexes

Added search index admin to be able to easier handle search index changes. Fix #1930.
Merge pull request #2204 from jezdez/irc-notices

Use IRC notices instead of channel messages to notify about test statuses.
Merge pull request #1876 from jezdez/static-i18n-js

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