Added DroidSansFallback font for platforms without CJK fonts installed.

build-common.xml

@@ -25,7 +25,7 @@
 	<target name='compile'>
 		<mkdir dir='build'/>
 		<javac srcdir='net/sf/briar' destdir='build' source='1.5'
-			includeantruntime='false'>
+			includeantruntime='false' debug='on'>
 			<classpath>
 				<fileset refid='bundled-jars'/>
 				<fileset refid='test-jars'/>

components/net/sf/briar/i18n/FontManagerImpl.java

@@ -35,6 +35,8 @@ public class FontManagerImpl implements FontManager {
 		new BundledFont("TibetanMachineUni.ttf", 14f, new String[] { "bo" }),
 		// Use Padauk for Burmese
 		new BundledFont("Padauk.ttf", 14f, new String[] { "my" }),
+		// Use DroidSansFallback for Chinese, Japanese and Korean
+		new BundledFont("DroidSansFallback.ttf", 12f, new String[] { "zh" , "ja", "ko" }),
 	};
 
 	// Map from languages to fonts