WebSession: regression tests fix

* Addresses issue with 401 errors when guest user is accessing pages in
  tests (switched to 'admin').

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
WebSession: fix user settings edit url

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
BibCirculation: after demosite populate receiver

* Adds receiver after demosite populate to fill BibCirculation tables
  dependend on records.

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>