Provide network name in CPS to get network ID

[jadecarino]

Why?

Attempting to fix galasa-dev/projectmanagement#1956

• Remove changes from yesterday in OpenstackHttpClient.
• Add CPS property for providing the Network Name you wish to allocate a Floating IP on, that is then used to get the Network ID. There is now two external Networks available instead of one so the previous logic did not use a configurable Network Name and simply picked the first (and only) external network. There are now two and assuming the results come back in alphabetical order, the wrong network is always selected.
• Versions already at 0.36.0.
• Fixed Javadoc as per Mike's comments.

[galasa-team]

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[galasa-team]

Build successful