Fix UI update when adding/removing colored tags in search modes

https://forums.zotero.org/discussion/28827/404-colored-tag-search-results/
Update submodules and repotime
Update versions
Update renamed-styles.json and translator submodule
Fix "Display character encoding on export" checkbox in prefs
Fix for WebDAV server returning 300 if lastsync but no lastsync.txt

https://forums.zotero.org/discussion/29040/
Fix updating of item type icon when changing types (broken by 6b7fe80)
Fix error when no results from regexp search
Fix #312, Google Books translator fails in Fx Nightly > 4/2

Also remove remnants of old DOM bindings
Update citeproc-js to 1.0.455
Fix "Delete reconciliation unimplemented for searches"

Just ignore the remote deletion
Fix group deleting
Update bundled styles
Update locales from Transifex
Update CSL locales
Update renamed-styles.json
Add default values for translator hidden prefs.
Fix translator/style updating on startup
Don't try to upload files if no file editing access for library

This should fix https://forums.zotero.org/discussion/29149/ and probably
some other things.
Return false for group.filesEditable if group.editable is false

It's possible for filesEditable in the DB to be set to 1 even if
editable is 0. We generally check editable first anyway, but let's be
safe.

Also make editable/filesEditable return booleans instead of numbers