Update neokit dependency to handle multiple nightly version

Zhen · Zhen · commit 88c4c7893244 · 2016-05-09T14:28:20.000+02:00
diff --git a/neokit b/neokit
@@ -1 +1 @@
-Subproject commit 0d44b4815a5e2fdb25ebc080e25ed83947abb337
+Subproject commit c206a831783d9ea352cca8c1b2772927cbcae91e
