Update swan-core version

Author: oshando

swan_assist/build.gradle

@@ -16,7 +16,7 @@ repositories {
 dependencies {
     compile group: 'com.googlecode.json-simple', name: 'json-simple', version: '1.1'
     //compile files('libs/swan_core-1.0.0-SNAPSHOT.jar')
-    compile group:'de.upb.cs.swt', name: 'swan_core', version: '1.0.0-SNAPSHOT'
+    compile group:'de.upb.cs.swt', name: 'swan_core', version: '1.0.0'
     testCompile group: 'junit', name: 'junit', version: '4.12'
 }