Print out a more human readable error when selecting wrong security p…

…rotocol

This change modifies the error message returned from nuage when selecting
the wrong security protocol. The old error message was: 'wrong status line:
"\x15\x03\x03\x00\x02\x02"' which was not informative to the end user.

app/models/manageiq/providers/nuage/manager_mixin.rb

@@ -47,6 +47,8 @@ def translate_exception(err)
       MiqException::MiqHostError.new "Socket error: #{err.message}"
     when MiqException::MiqInvalidCredentialsError, MiqException::MiqHostError
       err
+    when Net::HTTPBadResponse
+      Net::HTTPBadResponse.new "Login failed due to a bad security protocol, hostname or port."
     else
       MiqException::MiqEVMLoginError.new "Unexpected response returned from system: #{err.message}"
     end