Update gemspec
Update gemspec

reshleman/roo,enemycnt/roo,stevendaniels/roo,culturecode/roo,pabloh/roo,visagio/roo,RobertRehberg/roo,fabien-michel/roo,maruware/roo,xchanging-mm4/roo,roo-rb/roo,thotmx/roo