Port couch_replicator/01-load.t etap test suite to eunit
Port couch_replicator/02-httpc-pool.t etap test suite to eunit

Test test_worker_dead_pool_full removed as it's redundant.
Port couch_replicator/03-replication-compact.t etap test suite to eunit

Split big test fun into smaller steps, optimize timeouts.
Port couch_replicator/04-replication-large_atts.t etap test to eunit
Port couch_replicator/05-replication-many-leaves.t etap test to eunit
Port couch_replicator/06-doc-missing-stubs.t etap test suite to eunit
Port couch_replicator/07-use-checkpoints.t etap test to eunit
Move files out of test/couchdb into top level test/ folder
Update include paths
Use ?ADMIN macros from couch_eunit.hrl
Switch to using test_util:{start,stop}_couch
Switch to using config instead of couch_config
Disable problematic tests
Update handle_changes function names