Update gradle wrapper

libraries/gradlew

@@ -21,7 +21,7 @@ while [ -h "$PRG" ] ; do
 done
 SAVED="`pwd`"
 cd "`dirname \"$PRG\"`/" >/dev/null
-APP_HOME="`pwd -P`"
+APP_HOME="`pwd -P`/.."
 cd "$SAVED" >/dev/null
 
 APP_NAME="Gradle"

libraries/gradlew.bat

@@ -11,7 +11,7 @@ if "%OS%"=="Windows_NT" setlocal
 set DIRNAME=%~dp0
 if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
+set APP_HOME=%DIRNAME%\..
 
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 set DEFAULT_JVM_OPTS=