build and test with Java 7, cache Gradle home between executions
build and test with Java 7, cache Gradle home between executions

mgreenwood1001/JsonPath,jayway/JsonPath,lafaspot/JsonPath,lafaspot/JsonPath,mgreenwood1001/JsonPath,zline/JsonPath,json-path/JsonPath,zline/JsonPath,mgreenwood1001/JsonPath,jayway/JsonPath,json-path/JsonPath,json-path/JsonPath,zline/JsonPath,lafaspot/JsonPath,jayway/JsonPath