Fixes pages titles

Change-Id: Ib117052985a721f4cc4a0a63e1240eb06fd070de
Closes-Bug: #1263093
Honor CentOS trademark guidelines in release description

CentOS Trademark Guidelines (see acceptable use #2):
https://www.centos.org/legal/trademarks/?utm_source=hootsuite&utm_campaign=hootsuite#acceptable-uses

Change-Id: I1e2577113e5a879a366f1b2652231217a0d0f988
Added validation for empty gateway

Change-Id: If1f0df1aae54211c3373db475758eb0abc6819a6
Closes: bug 1264282
Merge "Added validation for empty gateway"
Focusing VLAN ID field if corresponding checkbox checked

Change-Id: Iaeb0f5768d14dc4415685ffaf9f22d8ae6d194f0
Closes-bug: 1263950
String fix for grammar mistake

Change-Id: I2f7bd7d67b89963398e4c92264a8a7eed2954ee6
Closes-bug: 1264356
Merge "Fixes pages titles"
Merge "Focusing VLAN ID field if corresponding checkbox checked"
Merge "String fix for grammar mistake"
Fixes Deploy Changes dialog

Closes-Bug: #1264323

Change-Id: I0adfebb051ebf7bc29bd7db144361658acac0990
Merge "Fixes Deploy Changes dialog"
Replace tempfile with mktemp

Change-Id: I83d69ee0df5bd19682a6a9eb8d8498a59bdab81a
Merge "Replace tempfile with mktemp"
Tests added for check_networks "result"

Tests added to check the format of "result" field of check_networks message.
"result" field is used in UI to highlight networks parameters which have wrong values.
Some tests refactoring is made.

Change-Id: I833fa5add56b5894668edac7ea61231faae7b1fc
Add fencing agent script as a separated task

Based on nailgun agent, should be installed the same way
To run unit tests use:
rspec ./bin/agent_spec.rb --color --format documentation

Make sure you have:
ruby 1.9.3p429 / 1.8.7p371
rspec 2.14.7
---------------------
httpclient (2.3.4.1)
json (1.8.1)
logger (1.2.8)
ohai (6.20.0)
rethtool (0.0.3)

Depends on: https://review.openstack.org/66607
Implements blueprint: fencing-in-nailgun-agent

Change-Id: Iceee47c47d35969f4ff08a0eb5b1e74b12b8b92f
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>