added a build.gradle file to sse.security.common

java/com.sap.sse.security.common/build.gradle

@@ -0,0 +1,12 @@
+apply plugin: "java"
+
+sourceSets {
+    main {
+        java.srcDirs = ["src"]
+    }
+}
+
+dependencies {
+    /* local dependencies */
+    compile project(":java:com.sap.sse.common")
+}