Merge pull request #163 from ivankravets/patch-10

(PlatformIO) Use tagged source code from repo

library.json

 {
-	"name": "Audio",
-	"frameworks": "Arduino",
-	"platforms": "Teensy",
-	"keywords": "sound, audio, FFT, filter, effect",
-	"description": "Teensy Audio Library",
-	"url": "http://www.pjrc.com/teensy/td_libs_Audio.html",
-	"downloadUrl": "https://github.com/PaulStoffregen/Audio/archive/master.zip",
-	"version": "1.03",
-	"exclude": "extras",
-	"authors":
-	{
-		"name": "Paul Stoffregen",
-		"maintainer": true
-	},
-	"repository":
-	{
-		"type": "git",
-		"url": "https://github.com/PaulStoffregen/Audio"
-	},
-	"dependencies":
-	{
-		"name": "SerialFlash",
-		"frameworks": "arduino"
-	},
+  "name": "Audio",
+  "frameworks": "Arduino",
+  "platforms": "Teensy",
+  "keywords": "sound, audio, FFT, filter, effect",
+  "description": "Teensy Audio Library",
+  "url": "http://www.pjrc.com/teensy/td_libs_Audio.html",
+  "version": "1.03",
+  "exclude": "extras",
+  "authors":
+  {
+    "name": "Paul Stoffregen",
+    "maintainer": true
+  },
+  "repository":
+  {
+    "type": "git",
+    "url": "https://github.com/PaulStoffregen/Audio"
+  },
+  "dependencies":
+  {
+    "name": "SerialFlash",
+    "frameworks": "arduino"
+  },
   "examples": [
     "examples/*/*.ino",
     "examples/*/*/*.ino"