Added test for existence of remote before doing git fetch
Added test for existence of remote before doing git fetch

alexdoloz/Gridy,orta/pod-template,kostiakoval/pod-template,Ashton-W/pod-template-framework,NFLibs/NFLoadingController,Backelite/pod-template,fulldecent/pod-template,shenhzou654321/pod-template,fulldecent/pod-template,NFLibs/NFLoadingController,Backelite/pod-template,Schemetrical/NSUserDefaults-Subscripting,hwaxxer/pod-template,kostiakoval/pod-template,mdsb100/ytx-pod-template,mdsb100/ytx-pod-template,Orion777/pod-template,white-rabbit-apps/PinterestSwift,NFLibs/NFLoadingController,mdsb100/ytx-pod-template,usebutton/pod-template,Orion777/pod-template,Ashton-W/pod-template-framework,epologee/pod-template,auth0/pod-template,white-rabbit-apps/PinterestSwift,ryutamaki/pod-template,shenhzou654321/pod-template,hwaxxer/pod-template,orta/pod-template,alexdoloz/Gridy,Schemetrical/NSUserDefaults-Subscripting,epologee/pod-template,ryutamaki/pod-template,alexdoloz/Gridy,Schemetrical/NSUserDefaults-Subscripting