Bump 3.0.0

Author: ecarriou

config.xml

@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<widget android-versionCode="29200" id="com.ecarriou.systemdesignerios" version="2.9.2" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
+<widget android-versionCode="30000" id="com.ecarriou.systemdesignerios" version="3.0.0" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
     <name>System Designer</name>
     <description>
         System Designer, an IDE for designing systems.