Merge pull request #124 from enricocid/master

fix gplay badge

Author: AChep

README.md

@@ -18,7 +18,7 @@ It will inform you about new notifications by showing a minimal, beautiful scree
 
 <a href="http://get.acdisplay.org">
   <img alt="Get AcDisplay on Google Play" vspace="20"
-       src="http://developer.android.com/images/brand/en_generic_rgb_wo_60.png" />
+       src="https://play.google.com/intl/en_us/badges/images/generic/en-play-badge.png" height="60" />
 </a> <a href="bitcoin:1GYj49ZnMByKj2f6p7r4f92GQi5pR6BSMz?amount=0.005">
   <img alt="Bitcoin wallet: 1GYj49ZnMByKj2f6p7r4f92GQi5pR6BSMz" vspace="28" hspace="20"
        src="https://github.com/AChep/AcDisplay/raw/master/art/btn_bitcoin.png" />