Reverse dependencies for statemachine

Latest version of the following gems require statemachine

Gem	Version	Date	Downloads
cup +29.5 Thousand Downloads	`0.0.8` October 21, 2011	October 21, 2011	29.5 Thousand
king_placeholder +26.6 Thousand Downloads	`2.0.0` January 09, 2015	January 09, 2015	26.6 Thousand
streetaddressch +8.46 Thousand Downloads	`0.0.2` March 18, 2008	March 18, 2008	8.46 Thousand
pazuzu +4.73 Thousand Downloads	`0.1.2` May 02, 2012	May 02, 2012	4.73 Thousand