* lib/net/http: Do not handle Content-Encoding when the user sets
Accept-Encoding. This allows users to handle Content-Encoding for
themselves. This restores backwards-compatibility with Ruby 1.x.
* lib/net/http/generic_request.rb: ditto.
* lib/net/http/response.rb: ditto
* test/net/http/test_http.rb: Test for the above.
* test/net/http/test_http_request.rb: ditto.
* test/net/http/test_httpresponse.rb: ditto.
[ruby-trunk - Bug #7831]
* lib/net/http.rb: Removed OpenSSL dependency from Net::HTTP.
* test/net/http/test_http.rb: Remove Zlib dependency from tests.
* test/net/http/test_http_request.rb: ditto.
merge revision(s) 39232,39233,39238: [Backport #7831][Backport #7852]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@39244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e