Reverse dependencies for em-promise

Latest version of the following gems require em-promise

Gem	Version	Date	Downloads
cheeky-pi +11.9 Thousand Downloads	`0.0.3` April 15, 2013	April 15, 2013	11.9 Thousand
em-ci +7.81 Thousand Downloads	`0.0.2` April 16, 2013	April 16, 2013	7.81 Thousand
rack-promises +7.06 Thousand Downloads	`0.0.2` May 30, 2013	May 30, 2013	7.06 Thousand
em-http-promise +4.47 Thousand Downloads	`0.0.1` May 20, 2013	May 20, 2013	4.47 Thousand
sinatra-promises +4.26 Thousand Downloads	`0.0.1` May 20, 2013	May 20, 2013	4.26 Thousand