validation code written
test started
SL3 config test added
two more tests
PG empty offline dbname test added
more PG tests added
test for missing backend added
test for invalid backend added
sanity checks refactoring started
more sanity checks refactored
some cleanups
db config check replaced
db config check replaced
db config check replaced
db config check replaced
db config check replaced
conflicts resolved
Merge branch 'feature/central-dbconfig-validation' into develop
* dbconfig validated in central location