jf/rbenv-gemset — pull request #55 by felix125 (2013-11-27 05:35:32+00:00)
Title: Fix: append default GEM_PATH

I have tested it on jruby 1.7.6 and 1.6.8 also. they suffer the same issue.
Although jruby just has two default gems(jruby-launcher and rake).

I think the best way is add the default GEM_PATH back.
And I also try to remove the .gem in GEM_PATH