Clean up buildscript & add JB annotations as well as a proper build config

build.properties

@@ -0,0 +1,13 @@
+project_name=PrimitiveCollections
+project_id=primitivecollections
+project_group=speiger.src.collections
+project_version=0.4.0
+
+artifact_group=de.speiger
+artifact_id=Primitive-Collections
+
+java_source_version=11
+java_target_version=8
+annotations_version=22.0.0
+
+scg_version=1.0.4