dependencies clean up and Default ITypeSystemAccess implementation for backward compatibility

plugins/org.yakindu.base.types/META-INF/MANIFEST.MF

@@ -15,6 +15,7 @@ Export-Package: org.yakindu.base.base,
  org.yakindu.base.types.util
 Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.emf.ecore;visibility:=reexport,
- org.eclipse.emf.ecore.xmi;bundle-version="2.7.0"
+ org.eclipse.emf.ecore.xmi;bundle-version="2.7.0",
+ com.google.inject;bundle-version="2.0.0"
 Bundle-ActivationPolicy: lazy
 Eclipse-BundleShape: dir

plugins/org.yakindu.base.types/src/org/yakindu/base/types/ITypeSystemAccess.java

@@ -10,10 +10,14 @@
  * 
  */
 package org.yakindu.base.types;
+
+import com.google.inject.ImplementedBy;
+
 /**
  * @author andreas muelder - Initial contribution and API
  * 
  */
+@ImplementedBy(org.yakindu.base.types.impl.BaseTypeSystemAccessImpl.class)
 public interface ITypeSystemAccess {
 
 	/** true, if this type represents a boolean */