Add travis-ci badge and cleanup platformio dependencies

README.md

@@ -88,3 +88,5 @@ The Adafruit board offers a good sound quality and already has an amp on board.
 
 ## Disclaimer
 Everything in this project I did up to my best knowledge. Nevertheless this comes without guarantee. Do not hold me responsible in case something unexpected/undesired happens.
+
+[![Build Status](https://travis-ci.org/TheNitek/RfidShelf.svg?branch=master)](https://travis-ci.org/TheNitek/RfidShelf)

RfidShelf/platformio.ini

@@ -18,7 +18,6 @@ framework = arduino
 ; using my fork of Adafruit_VS1052 to allow long file names
 lib_deps = 
   TheNitek/Adafruit_VS1053_Library
-  Adafruit VS1053 Library
   DNSServer
   ESP8266mDNS
   ESP8266WebServer