enh: using context.repositorySystemSession() as per @cstamas

Author: lprimak

maven/impl-maven/src/main/java/org/jboss/shrinkwrap/resolver/impl/maven/bootstrap/MavenRepositorySystem.java

@@ -76,7 +76,7 @@ public MavenRepositorySystem() {
      * @return A working session spawned from the repository system.
      */
     public DefaultRepositorySystemSession getSession(final Settings settings, boolean legacyLocalRepository) {
-        DefaultRepositorySystemSession session = new DefaultRepositorySystemSession();
+        DefaultRepositorySystemSession session = new DefaultRepositorySystemSession(context.repositorySystemSession());
 
         MavenManagerBuilder builder = new MavenManagerBuilder(context.repositorySystem(), settings);