Added packing Cassandra of logs

Change-Id: I6e17f2a43cd25ed86d8d3e422293ea7ad446a254
Fixed documentation formatting on readthedocs.org

Change-Id: Icd0fe57b78a4b88c52acd64bd7b5218ed2534ecd
Modifies tempest tests on creating table and batch write

Modifies tempest tests on creating table according to
async creation table mechanism.
Also fixes batch write tempest tests.

Closes-bug: #1331073
Change-Id: If5c2c9a6c1b10439d0eb805f08e1a0a787ac98f1
Merge "Fixed documentation formatting on readthedocs.org"
Merge "Modifies tempest tests on creating table and batch write"