Initial JRuby support
- Most tests pass
- Add entry for JRuby in .travis.yml
Fix more tests
Revert "Fix more tests"

This reverts commit fc7c4e095064be6fc5ffca3a0da5f440e0fe15a6.
Use Thread routines instead of "ps | grep ..." in JRuby
Add pending for jruby to failing tests
Merge branch 'jruby_support' of github.com:alepulver/parallel_tests into alepulver-jruby_support

Conflicts:
	lib/parallel_tests/test/runner.rb
fix a test
no need for shellwords
fix a jruby test
jruby is fixed
thanks for the patch!
v0.11.6