fixed PowerSystemUtils in build.gradle to version 1.3.2

Author: johanneshiry

build.gradle

@@ -53,7 +53,7 @@ repositories {
 
 dependencies {
 	//	 ie³ power system utils
-	compile 'com.github.ie3-institute:PowerSystemUtils:1.3.2-SNAPSHOT'
+	compile 'com.github.ie3-institute:PowerSystemUtils:1.3.2'
 
 	compile "tec.uom:uom-se:$unitsOfMeasurementVersion"