Add graph id (gid) to schema
Fix rendering of lod field
Truncate long facet values
Fix rendering of event popup titles
Set defaults in schema (rather than via sw hacks.)
Update docs for MySQL install
Fix MySQL docs
More changes to install docs for DBs.
Rework URLs - still changes needed
Add page-level caching for metrics
More tweaks and rationalisation of routing/urls
Merge branch 'master' into portal_dev