Bump binary version to 0.22.0

I am Groot CI · I am Groot CI · commit de42591d58d0 · 2017-07-31T16:10:31.000Z
diff --git a/version.go b/version.go
@@ -1,3 +1,3 @@
 package main
 
-const version = "0.21.1"
+const version = "0.22.0"
