changed gradle version to 2.7
changed gradle version to 2.7

nueko/scoop,r15ch13/scoop,rmyorston/scoop,lukesampson/scoop,rasa/scoop,moigagoo/scoop,saildata/scoop,reelsense/scoop,coonce/scoop,damnhandy/scoop,yunspace/scoop,Congee/scoop,vidarkongsli/scoop,systemexitzero/scoop,rodericktech/scoop,vinaynambiar/lukesampson-,kodybrown/scoop,nikolasd/scoop,devoncarew/scoop,toxeus/scoop,berwyn/scoop,Cyianor/scoop,bpollack/scoop