Test for CASSANDRA-7264
Modified patient_cql_connection for Windows

Nodes are taking longer to start up than in linux. Timeout is increased
for windows machines.
Modified bootstrap_test.py for Windows

Test now uses patient_cql_connection and watch_log_for for better
consistency on windows.
Modified batch_test.py for Windows

Moved cql_connection to patient_cql_connection
Merge pull request #54 from iamaleksey/7264

Test for CASSANDRA-7264
Modified concurrent_schema_changes for Windows

Test now uses patient_cql_connection instead of cql_connection
counter upgrade test improvements

write counters with cl=all and read back with cl=one

instead of 100 separate counters, do 10 partitions with
10 counters in each
Merge pull request #55 from riptano/counter_upgrade_improvements

counter upgrade test improvements
Modified cql_prepared tests for Windows

Changes cql_connection to patient_cql_connection
Modified deletion_test for Windows

Moved to patient connection
Modified paxos_tests for Windows

Switched to patient cql_connection
Modified schema_test for Windows

Moved to patient_cql_connection
Modified sstable_generation_loading for Windows

Added a patient cql connection
Merge pull request #57 from ptnapoleon/Windows

Made modifications to improve dtest performance on Windows
Update INSTALL.md