Tests for CASSANDRA-6839
Removed cassandra package due to name conflict

Conflicts with new python driver
Implemented new base classes using python driver
Modified bootstrap_Test to use new base classes

Now uses the python driver
Moved batch_test.py to new driver
Edited schema change test for new driver
Add test coverage for IN operator on column conditions
Moved consistency test to new driver
cons bootstrap ported
Port counter test
Ported cql prepared to py driver
Moved cql_tests to new driver
Moved inline imports to top
test skeleton implemented
working Json export/import
Implemented json_tools dtest
Manually merged trunk into branch python-driver
Merge pull request #62 from ptnapoleon/python-driver

Python driver
refactored to remove unnecessary code
pushed file i/o to CCM