Fix private datasets and reuses display
Hide activity if private
Added cache commands
Updated some dependencies
Fix private reuses and datasets tabs visibility
Fixes
Allow metrics without get_value method result
Uncached full home rendering
Dispay resource modifcation time
Fix tag validation message
Updated some translations
Disable language fallback
Fix share button title escaping
Adjust organization search ponderation
Use ubuntugis-unstable ppa in travis
Upgraded some dependencies