Removed awesome_print gem as it is not needed since decades
Updated vcr and webmock as part of updating the test infrastructure
Removed rspec, we will do TestUnit/MiniTest style tests for now
Updated versions of test gems
Reseted test environment back to zero (backuoed old test files before)
Removed MiniTest (why should we care if MiniTest or TestUnit if they behave the same for us; let's rails decide which one to choose)
Added vcr options to test_helper
Added capybara and poltergeist
Added database_cleaner setup to test_helper
Updated db schema to the last migration
Added integration test helper and custom vcr json serializer (ubpb/catalog#277)
Added cassette for bor-auth for user1 (ubpb/catalog#277)