Removed the links between Territory and User components with a view to
reinstate later.
Spotted and fixed exception when casting list to set.
Fixes #140
Cache results of welcome controller
Added new method that should choose to deliver the error message
differently depending on whether the initial request was made via ajax
or not.
MAke additional prop value text
Merge branch '3_0_maintenance' of github.com:k-int/gokb-phase1 into 3_0_maintenance
Fix API calls.
Changed log.error to log.debug as it's not really an application error.
Added link to github page on coreferencing. closes #197
Merge 3_0_maintenance onto dev