Publish Vulpes Preview 15 sources for desktop, Android and Tundra

Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.

gaia/apps/communications/contacts/style/webrtc-client/webrtc_client.css

@@ -0,0 +1,9 @@
+li button.icon-webrtc-voice:before {
+  background-image: url(/contacts/style/webrtc-client/images/actionicon_contacts_webrtc_audio.png);
+  background-size: 3rem;
+}
+
+li button.icon-webrtc-video:before {
+  background-image: url(/contacts/style/webrtc-client/images/actionicon_contacts_webrtc_video.png);
+  background-size: 3rem;
+}