made 'cp' windows-aware
changed rm command
cleanup
made 'cp/rm' windows-aware

changed rm command

cleanup
Merge branch 'fix_snapshotTest_windows' of github.com:riptano/cassandra-dtest into fix_snapshotTest_windows
typo fix
remove shuffle upgrade shuffle testing
Added platform check for cqlsh
Merge pull request #73 from riptano/rm_shuffle_upgrade_tests

remove shuffle upgrade shuffle testing
Merge pull request #68 from riptano/fix_snapshotTest_windows

Fix snapshot test windows
Merge branch 'master' into upgrade_local_mode

Conflicts:
	upgrade_through_versions_test.py