Added default service injection (store Prefs in server memory)

git-svn-id: https://svn.apache.org/repos/asf/wookie/trunk@1641329 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/wookie-server/src/main/resources/META-INF/services/org.apache.wookie.services.PreferencesService b/wookie-server/src/main/resources/META-INF/services/org.apache.wookie.services.PreferencesService
new file mode 100644
index 0000000..5abe18a
--- /dev/null
+++ b/wookie-server/src/main/resources/META-INF/services/org.apache.wookie.services.PreferencesService
@@ -0,0 +1 @@
+org.apache.wookie.services.impl.DefaultPreferencesService
\ No newline at end of file