<NME> butterknife-6.1.0.jar.properties
<BEF> ADDFILE
<MSG> upgrade to butterknife 6.1
<DFF> @@ -0,0 +1,2 @@
+src=src/butterknife-6.1.0-sources.jar
+doc=src/butterknife-6.1.0-javadoc.jar

upgrade to butterknife 6.1