Merge pull request #8 from ivankravets/patch-1

@platformio Library Registry manifest file

Author: andrewrapp

library.json

@@ -0,0 +1,18 @@
+{
+  "name": "XBee",
+  "keywords": "xbee, protocol, radio, rf, 802.15.4",
+  "description": "XBees in API mode, with support for both Series 1 (802.15.4) and Series 2 (ZB Pro/ZNet)",
+  "repository":
+  {
+    "type": "git",
+    "url": "https://github.com/andrewrapp/xbee-arduino.git"
+  },  
+  "include":
+  [
+    "*.cpp",
+    "*.h",
+    "examples"
+  ],
+  "frameworks": "arduino",
+  "platforms": "atmelavr"
+ }