remove use of fullly qualifed name

json.model.Arch is no more, so no name
ambiquity
shorten Arch.label in liquibase scripts
move creation of Content after env filtering check
remove db persistence tests in ArchTest

ArchCuratorTest tests the same thing.

ArchTest no longer needs to subclass
DatabaseTestFixture.
add test to verify arches work on ContentCurator
stylish cleanup