Update to new signalapp github organization (#45)

Author: scottnonnenberg

README.md

@@ -1,10 +1,10 @@
 # libsignal-protocol-javascript
 
-[![Build Status](https://travis-ci.org/WhisperSystems/libsignal-protocol-javascript.svg?branch=master)](https://travis-ci.org/WhisperSystems/libsignal-protocol-javascript)
+[![Build Status](https://travis-ci.org/signalapp/libsignal-protocol-javascript.svg?branch=master)](https://travis-ci.org/signalapp/libsignal-protocol-javascript)
 
 
 Signal Protocol implementation for the browser based on
-[libsignal-protocol-java](https://github.com/WhisperSystems/libsignal-protocol-java).
+[libsignal-protocol-java](https://github.com/signalapp/libsignal-protocol-java).
 
 ```
 /dist       # Distributables