changed spring-boot version to 1.1.7 in gradle.properties
changed spring-boot version to 1.1.7 in gradle.properties

cwardgar/gretty,saladinkzn/gretty,cwardgar/gretty,WilliamRen/gretty,akhikhl/gretty,akhikhl/gretty,akhikhl/gretty,aya-eiya/gretty,cwardgar/gretty