Resolve "Add relast2uml to statemachine"

Closes #1 (closed)

build.gradle

@@ -10,9 +10,6 @@ allprojects  {
 subprojects {
 	apply plugin: 'java'
 
-	sourceCompatibility = 1.8
-	targetCompatibility = 1.8
-
 	task packageSources(type: Jar) {
 		classifier = 'sources'
 		from sourceSets.main.allSource
@@ -34,6 +31,10 @@ subprojects {
 
 	repositories {
 		mavenCentral()
+    maven {
+        name "gitlab-maven"
+        url "https://git-st.inf.tu-dresden.de/api/v4/groups/jastadd/-/packages/maven"
+    }
 	}
 
 	dependencies {