Fix home page link in breadcrumbs.

Change-Id: Id93737dcda2f490595ebe4f9be95233115a8256f
Move .matplotlib dir to /var/cache/karaage

Was /var/www/.kgmatplotlib for some cases and /var/www/.matplotlib for
others.

We shouldn't be using /var/www in the first place.

Change-Id: I9a6c5f4e6bb84ff8f4be046ca7814f95a999ada8
Remove obsolete setting.

Change-Id: I4d9a4eb4d7821738aee612f3988d42cf949cc8b5
Add unique contraints to usage caches.

Change-Id: I7b39b69d4ae40cc40e8c3f8f5eb1ccd94880f928
Increment Debian version.

Change-Id: I06951459359588c6fcae7d2be4bee995f120fe5e
Remove obsolete permissions.

Change-Id: Ifedd95b99d3000eea472c3d61677d7cd04e50bba
Store machine passwords for xmlrpc methods.

Change-Id: I854bff3cefdd5a832c54b283450841544d503d13
Add more unique constraints.

Change-Id: I393307ef028f884b9f044706556df3057a0f7365
Simplify.

Constraints introduced in cd26a0351e5c2d8288e4959176ca35e017c3be38
should mean that MultipleObjectsReturned never is generated.

Change-Id: I97189355ab0c5003869af52d30516e43fa5f6d12
Fix delete orphaned applicants.

Change-Id: Ic2464fe8dfa291f0c7a1976ba55d3ee503c60e54