Prevent false positives in haproxy check.

Previously, the haproxy process check was looking for the string 'haproxy'
in the process command line.

This results in false positives with the introduction of LBaaS, which contains
'haproxy' in the path to its config file.

Prevent this by looking for a process which contains "haproxy.*-f $haproxy_config_file".
Adding additional build dependency
Merge pull request #306 from craigtracey/swiftnodeci

Add empty swiftnode stanza for now
version 0.8.0 in CHANGELOG
correct 14.04 LTS label
Merge pull request #307 from blueboxgroup/v8-changelog

version 0.8.0 in CHANGELOG
Remove guard around setting neturon router gateway.
Merge pull request #294 from blueboxgroup/haproxy-check

Prevent false positives in haproxy check.
Don't need a distinct host specifier

I was not aware of this syntax, but