Use new ical4j version to fix timezone bug

* use ical4j 1.0.x-maintenance (self-compiled 27 Oct 2014)
* upstream fixes timezone bug (fixes #186)
* try to turn off the check for time zone updates because it's unnecessary in most cases (fixes #239)
* mention ical4j and its major version in generated iCalendars
* update to ez-vcard 0.9.6 from upstream
* version bump to 0.6.4

AndroidManifest.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="at.bitfire.davdroid"
-    android:versionCode="41"
-    android:versionName="0.6.3" android:installLocation="internalOnly">
+    android:versionCode="42"
+    android:versionName="0.6.4" android:installLocation="internalOnly">
 
     <uses-sdk
         android:minSdkVersion="14"

src/at/bitfire/davdroid/Constants.java

@@ -9,7 +9,7 @@ package at.bitfire.davdroid;
 
 public class Constants {
 	public static final String
-		APP_VERSION = "0.6.3",
+		APP_VERSION = "0.6.4",
 		ACCOUNT_TYPE = "bitfire.at.davdroid",
 		WEB_URL_HELP = "http://davdroid.bitfire.at/configuration?pk_campaign=davdroid-app",
 		

src/at/bitfire/davdroid/resource/Event.java

@@ -203,7 +203,7 @@ public class Event extends Resource {
 	public ByteArrayOutputStream toEntity() throws IOException {
 		net.fortuna.ical4j.model.Calendar ical = new net.fortuna.ical4j.model.Calendar();
 		ical.getProperties().add(Version.VERSION_2_0);
-		ical.getProperties().add(new ProdId("-//bitfire web engineering//DAVdroid " + Constants.APP_VERSION + "//EN"));
+		ical.getProperties().add(new ProdId("-//bitfire web engineering//DAVdroid " + Constants.APP_VERSION + " (ical4j 1.0.x)//EN"));
 		
 		VEvent event = new VEvent();
 		PropertyList props = event.getProperties();

src/ical4j.properties

@@ -1,4 +1,6 @@
 
+net.fortuna.ical4j.timezone.update.enabled=false
+
 ical4j.unfolding.relaxed=true
 ical4j.parsing.relaxed=true
 ical4j.compatibility.outlook=true