Add transport layer for Apache HttpClient5

[mat1e]

Link to jenkinsci/docker-plugin#900

Add apache httpclient transport layer as dependency + update Guava dependency and force the scope internal to this plugin.
This plugin need to provide a transport layer available in docker-java like described here .

I purpose apache httpclient wich is working well (tested since more than a year in docker-plugin on ours Jenkins env).

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[ericcitaire]

Thank you for your contribution.

Can you rewrite Git history (squash + reword commit message) please ?