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Merge pull request #749 from openspending/i18n-updates

Translation updates for Russian, Czech and Indonesian
Handle dates in json dumps of the archiver
Fixes #750
Use Jinja2 length instead of python len
Load celery via import in the load_environment call for pylons
Merge pull request #753 from openspending/750-archiving-dates

Handle dates in json dumps of the archiver
Merge pull request #754 from openspending/751-len-in-jinja

Use Jinja2 length instead of python len
Merge pull request #755 from openspending/752-load-celery

Load celery via import in the load_environment call for pylons
[#736,doc][m]: upgrade to new okfn sphinx theme and other misc improvements.

* Edit on github link using edit on github extension
* Sidebar with local toc and global toc
* upgrade to sphinx 1.2b as we need later jquery for okf panel
[doc][s]: improve content of main page (shorter).
Merge pull request #757 from openspending/736-consolidate-docs

[#736]: upgrade to latest okfn sphinx theme.
Generate the entries table on the server side.
Use Solr instead of database to get the entries
Remove entry_query function as it isn't used any longer
Provide search function on the entry index page
Fix PEP8 warnings in auth.
Fix PEP8 in openspending/command.
Fix PEP8 in openspending/importer
Fix PEP8 issues in openspending/lib.
Fix PEP8 issues of openspending/model