Basic database setup

* Add H2 database implementation, based on JdbcDatabase
* Create settings table
* Skeleton for schema migrations (none implemented yet)
1 job for !16 with 30-database in 3 minutes and 50 seconds (queued for 6 seconds)
detached
Status Job ID Name Coverage
  Test
failed #11759
test

00:03:50

 
Name Stage Failure
failed
test Test

BUILD FAILED in 3m 4s71 actionable tasks: 71 executed

Running after_script
Running after script...
$ rm -f $GRADLE_USER_HOME/caches/modules-2/modules-2.lock
$ rm -fr $GRADLE_USER_HOME/caches/*/plugin-resolution/
Cleaning up file based variables
ERROR: Job failed: exit code 1