Fix Travis-CI badge URL.
Fix Travis-CI badge URL.

talentpad/sidetiq,grzlus/sidetiq,kickserv/sidetiq,b1tw1se/sidetiq,tobiassvn/sidetiq,danilogcarolino/sidetiq,slategroup/sidetiq,grzlus/sidetiq,atpay/sidetiq,flowerett/sidetiq,akhiln/sidetiq,tobiassvn/sidetiq,slategroup/sidetiq,Altonymous/sidetiq,PaulMest/sidetiq,brennovich/sidetiq,akhiln/sidetiq,sfroehler/sidetiq,kickserv/sidetiq,tomoyuki-yanagisawa/sidetiq-mod,vayu-technology/sidetiq,atpay/sidetiq,flowerett/sidetiq,tomoyuki-yanagisawa/sidetiq-mod,endofunky/sidetiq,rjocoleman/sidetiq,endofunky/sidetiq,rjocoleman/sidetiq,sfroehler/sidetiq,PaulMest/sidetiq,talentpad/sidetiq,b1tw1se/sidetiq,stanchan/sidetiq,brennovich/sidetiq,stanchan/sidetiq,vayu-technology/sidetiq,danilogcarolino/sidetiq