unfreeze packages that are unlikely to change

Change-Id: Ia5ee9ec02f4852a38dc0c6b3de3b4f72e244ee83
Reviewed-on: http://review.couchbase.org/29188
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Pavel Paulau <pavel.paulau@gmail.com>
upgrade pep8 package

Change-Id: Ice264beba00b3cffc076050a6e134918d140f437
Reviewed-on: http://review.couchbase.org/29190
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Pavel Paulau <pavel.paulau@gmail.com>
change test order

Change-Id: I346644580a5de08aafa83ce2299d344e1a418a30
Reviewed-on: http://review.couchbase.org/29191
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Pavel Paulau <pavel.paulau@gmail.com>