Reverse dependencies for statemachine

Latest version of the following gems require statemachine

Gem	Version	Date	Downloads
cup +30 Thousand Downloads	`0.0.8` October 21, 2011	October 21, 2011	30 Thousand
king_placeholder +27.1 Thousand Downloads	`2.0.0` January 09, 2015	January 09, 2015	27.1 Thousand
streetaddressch +8.55 Thousand Downloads	`0.0.2` March 18, 2008	March 18, 2008	8.55 Thousand
pazuzu +4.79 Thousand Downloads	`0.1.2` May 02, 2012	May 02, 2012	4.79 Thousand