Clean up created tempdirs in snapshot_test.py
Drop try/finally and just move clean up before assert
Add "removing ccm cluster" debug
Call tearDown on the first, stopped cluster to clean up
Use _cleanup_cluster() instead of tearDown()
Test for #7502
Merge branch 'master' of github.com:riptano/cassandra-dtest
Merge pull request #43 from riptano/rm_first_snapshot_cluster

Call tearDown on the first, stopped cluster to clean up
Dtests for CASSANDRA-7053
Merge pull request #44 from Mishail/CASSANDRA-7053-dtests

Dtests for CASSANDRA-7053
Better test for #7052
Merge branch 'master' of github.com:riptano/cassandra-dtest
use globbing in snapshot test
fix typos
move shuffle and bootstrap testing into point-to-point tests

add callables to be called after upgrade complete
add flag to indicate upgrade is last one (to support above)
adjust some other upgrade logic. for now always check counters,
removed a redundtant cluster.set_cassandra_dir
always upgrade sstables, even if we're testing a mixed upgrade
Merge remote-tracking branch 'origin' into upgrade_test_fixup