Updated Galician translations
TrackerDecorator: Remove unused argument in element_remove_link()
TrackerDecorator: Fix infinite loop

If some ids already have a nie:dataSource, they will never be removed
from our queue. This is a regression introduced by commit 94d4a85.
TrackerDecorator: Make sure to flush remaining sparql updates when finished

Otherwise last extracted files will never be stored.
Revert "TrackerDecorator: Remove unused argument in element_remove_link()"

This reverts commit f804134f2ec499e919fcfb714e2c6ae702e1939e.
[l10n] Updated Italian translation.
plugins/thunderbird: Add more debug messages
plugins/thunderbird: Fix formatting in plugin.js
plugins/thunderbird: Port to Thunderbird 24
plugins/thunderbird: Escape folder names in URIs
Merge remote-tracking branch 'upstream/thunderbird-24'