http_settings configuration option added.
Now it supports:

 * self_signed_cert option to allow self-signed certificates over https protocol.
 * user and password options to pass though http auth.
Merge pull request #23 from regru/http_settings_option

http_settings configuration option added.
Require openssl

Fix the "uninitialized constant GitlabNet::OpenSSL (NameError)"
after upgrading to ruby 2.0
Merge pull request #24 from yuters/patch-1

Require openssl