Merge pull request adafruit#238 from makermelissa/master

Renamed PyBadge Wifi to PyBadge AirLift

Author: ladyada

_board/pybadge_wifi.md renamed to _board/pybadge_airlift.md

@@ -1,11 +1,11 @@
 ---
 layout: download
-board_id: "pybadge_wifi"
-title: "PyBadge WiFi Download"
-name: "PyBadge WiFi"
+board_id: "pybadge_airlift"
+title: "PyBadge AirLift Download"
+name: "PyBadge AirLift"
 manufacturer: "Adafruit"
 board_url: ""
-board_image: "pybadge_wifi.jpg"
+board_image: "pybadge_airlift.jpg"
 features:
   - Display
   - Speaker
@@ -14,7 +14,7 @@ features:
   - Wi-Fi
 ---
 
-The PyBadge WiFi is coming soon from Adafruit, check out the weekly "Top Secret" segment on ASK AN ENGINEER or the upcoming new product videos on [YouTube](https://www.youtube.com/adafruit).
+The PyBadge AirLift is coming soon from Adafruit, check out the weekly "Top Secret" segment on ASK AN ENGINEER or the upcoming new product videos on [YouTube](https://www.youtube.com/adafruit).
 
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