updated 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 3.0+
 imports=processing.mode.java.JavaMode
-version = 270
-prettyVersion = 4.0-alpha2
+version = 271
+prettyVersion = 4.0-alpha3
 minRevision = 246
 maxRevision = 0