Bump version of sphinxcontrib-pecanwsme

Version bump to add PATCH and DELETE support to
sphinx auto-built API documentation for Pecan/WSME.

Related-bug: 1261917
Change-Id: I6c83dd32197c78f19615166d403c3b57f82d9f9b
Update python-keystoneclient to 0.4.2

python-keystoneclient 0.4.2 introduced new option
include_service_catalog. If we did not update to 0.4.2, pep8 would
fail on 0.4.1.

Change-Id: I989b08c88568c476aefb8adf84de0dd07562e70c
Related-Bug: #1268614
Bump paramiko version to 1.9.0

In Savanna we need 'sock' param in connect() for tunneling (using ip ns).
It was added in
https://github.com/paramiko/paramiko/commit/31ea4f0734a086f2345aaea57fd6fc1c3ea4a87e

ChangeLog for 1.8.0 - 1.9.0:
* 1.8.1 https://github.com/paramiko/paramiko/blob/master/NEWS#L186
* 1.9.0 https://github.com/paramiko/paramiko/blob/master/NEWS#L173

Change-Id: I2ed235f516683ce4a0fd8ee69baea598e4d85d1f
Merge "Update python-keystoneclient to 0.4.2"
Merge "Bump paramiko version to 1.9.0"
Merge "Bump version of sphinxcontrib-pecanwsme"