Cleanup for 0.5.0 alpha release

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

cordova/config.xml

@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<widget id="edu.midwestern.alvinn" version="0.5.0-rc" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0" xmlns:android="http://schemas.android.com/apk/res/android">
+<widget id="edu.midwestern.alvinn" version="0.5.0-alpha" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0" xmlns:android="http://schemas.android.com/apk/res/android">
     <name>ALVINN</name>
     <description>Anatomy Lab Visual Identification Neural Network.</description>
     <author email="jgeorg@midwestern.edu" href="https://midwestern.edu">

cordova/package.json

@@ -1,7 +1,7 @@
 {
   "name": "edu.midwestern.alvinn",
   "displayName": "ALVINN",
-  "version": "0.5.0-rc",
+  "version": "0.5.0-alpha",
   "description": "Anatomy Lab Visual Identification Neural Network.",
   "main": "index.js",
   "scripts": {