Update dependencies

Change-Id: I6f453dfcd75e9f1db77a5c59a5ee98c0b28bd978
diff --git a/ring-android/app/proguard-rules.pro b/ring-android/app/proguard-rules.pro
index cbafe0c..9a5b12b 100644
--- a/ring-android/app/proguard-rules.pro
+++ b/ring-android/app/proguard-rules.pro
@@ -44,4 +44,15 @@
 -keepclassmembers class com.journeyapps.barcodescanner.** { *; }
 
 -keep,includedescriptorclasses class se.emilsjolander.stickylistheaders.** { *; }
--keepclassmembers class se.emilsjolander.stickylistheaders.** { *; }
\ No newline at end of file
+-keepclassmembers class se.emilsjolander.stickylistheaders.** { *; }
+
+-keep class butterknife.** { *; }
+-dontwarn butterknife.**
+-dontwarn butterknife.internal.**
+-keep class **$$ViewBinder { *; }
+-keepclasseswithmembernames class * {
+    @butterknife.* <fields>;
+}
+-keepclasseswithmembernames class * {
+    @butterknife.* <methods>;
+}
\ No newline at end of file