Modified proguard to keep crittercism classes per their suggestion

astrid/proguard.cfg

@@ -41,6 +41,10 @@
 -keep public class * extends android.app.backup.BackupAgentHelper
 -keep public class * extends android.preference.Preference
 
+-keepclassmembers public class com.crittercism.* {
+    *;
+}
+
 -keepclasseswithmembers class * {
     public <init>(android.content.Context, android.util.AttributeSet);
 }