* Schema changes int->tinyint and foreginkeys/indexes rename
* Optimize schema migration to do all related changes within one statement per table - i.e. no redundant table re-builds
* Foreign key checks disabled for huge dbs
* Merge unify and convergence schemas as they both do migrations on common tables - reduce downtime
* Rename unify schema
* 1 means can't perform valitate - e.g. db connection failed
* 2 means it has performed validation but db schema is not valid (FlywayValidateException)
Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>
