lexer classes regenerated
stepdefs.json regenerated
fixed JRuby's warning about non-persistent class
jruby impltementation of TagExpression.empty? added
trailing spaces removed
jruby impementation of JSONFormatter.append_duration() added
Use multi_json instead of json gem
Merge pull request #234 from os97673/jruby-improvements

Jruby improvements
Update Gemfile to use https instead of http.
Merge pull request #236 from richardardrichard/patch-1

Update Gemfile to use https instead of http.
Merge branch 'multi_json' of https://github.com/sferik/gherkin into sferik-multi_json

Conflicts:
	features/.cucumber/stepdefs.json
	spec/gherkin/formatter/json_formatter_spec.rb
updating require from json to multi_json
.to_json() replaced with MultiJson.dump()
stepdefs.json updated