Merge pull request krschultz#109 from icechen1/patch-1

Add EventBus 3.0 rules

Author: krschultz

libraries/proguard-eventbus.pro renamed to libraries/proguard-eventbus-2.pro

@@ -0,0 +1,13 @@
+## New rules for EventBus 3.0.x ##
+# http://greenrobot.org/eventbus/documentation/proguard/
+
+-keepattributes *Annotation*
+-keepclassmembers class ** {
+    @org.greenrobot.eventbus.Subscribe <methods>;
+}
+-keep enum org.greenrobot.eventbus.ThreadMode { *; }
+
+# Only required if you use AsyncExecutor
+-keepclassmembers class * extends org.greenrobot.eventbus.util.ThrowableFailureEvent {
+    <init>(java.lang.Throwable);
+}