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 - comments updated
 - parameters passed by const reference
 - .gitignore updated
 - unnecessary header removed

 - moved 2 functions from .h to .cc file
 - added explicit copy constructor
 - renamed {get,set}{Host,Port} to {get,set}Http{Host,Port}

 - typos corrected
 - copyright years updated
 - added comments

This reverts commit 7f62f7f1.
This is already covered in #5145.

 There was one guy complaining about unit-tests being named
 differently than the default run_unittests breaks down his
 valgrind runs. Interesting, eh? See PR#49 on github.

 - port check fixed
 - removed 2 unused parameter warnings
 - one typo corrected

Trivial change. Commiting on my discretion.