updated mode properties

Author: codeanticode

mode.properties

@@ -4,7 +4,7 @@ url = https://github.com/processing/processing-android
 sentence = Create projects with Processing for Android devices
 paragraph = This version of the Android Mode is for Processing 3.0a11+
 imports=processing.mode.java.JavaMode
-version = 238
-prettyVersion = 3.1
-minRevision = 238
+version = 239
+prettyVersion = 3alpha
+minRevision = 237
 maxRevision = 0