Database weights updated on deactivation - EUCA-7022

When a primary database is deactivated we now update the weight of the
new primary.

EUCA-7022
Database weights updated on activation - EUCA-7022

When a primary database is activated we now update the weight of the
secondary databases.

EUCA-7022
Use correct database weights on startup - EUCA-7022

Initial database setup now sets weight for the coordinator to 100 and
other databases to 1 rather than setting all databases to 100.

EUCA-7022
Merge remote-tracking branch 'origin/dev/sjones/EUCA-7022' into testing