Merge pull request #244 from wardi/master

Parallel dump-datasets command
Added missing </div> closing tag to the data preview page
Updated French text for implementation guide
Merge remote-tracking branch 'upstream/master'
Merge pull request #245 from thriuin/master

Miscellaneous template changes
more defensive before_index
create-organizations: allow updating org titles
fix for organization/read.html
fix for updating org titles