Tests for CASSANDRA-6839
Add test coverage for IN operator on column conditions
test skeleton implemented
working Json export/import
Implemented json_tools dtest
refactored to remove unnecessary code
pushed file i/o to CCM
moved file i/o back into the test
Accept null values in element access column conditions

Done for CASSANDRA-6839
user types can't contain counters
Added fix for windows error

On windows, stress was connecting before
the node was up. Adding a patient connection
rectifies that. Comments added to explain.
Merge branch 'master' into more_user_types_tests
test for user type as clustering col
pep8 and unused imports
Fix check for when first indexed scan happens

We only want to assert that the first local index scan happens after
enqueuing requests to replicas.
Fix typo
Merge pull request #77 from thobbs/CASSANDRA-7599-fix

Fix check for when first indexed scan happens
Use platform neutral sstableloader
7011 resolved. Including auth_tests in cassci
Removing require for 7011