Fixed #253: Use registrarless by default and fix default contact list accordingly

Author: atsakiridis

restcomm.android.client.sdk/restcomm.android.client.sdk.iml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id=":restcomm.android.client.sdk" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/../Examples/restcomm-olympus" external.system.id="GRADLE" external.system.module.group="restcomm-olympus" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
+<module external.linked.project.id=":restcomm.android.client.sdk" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/../Examples/restcomm-helloworld" external.system.id="GRADLE" external.system.module.group="restcomm-helloworld" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
   <component name="FacetManager">
     <facet type="android-gradle" name="Android-Gradle">
       <configuration>