Enlarged the timeout for waiting for server to become available.

Zhen · Zhen · commit 9349d9eaf7c3 · 2016-07-19T14:02:24.000+02:00
The build has shown enlarging timeout did help fix the problem.
diff --git a/neokit b/neokit
@@ -1 +1 @@
-Subproject commit f033b8df0f0bd01e4d2aedc28a2de729f06f9ed4
+Subproject commit 57774be1a96a822257e93b5cb3d5070b88633ff5
