Update dependencies

Gopkg.lock

@@ -142,7 +142,7 @@
   branch = "master"
   name = "golang.org/x/crypto"
   packages = ["ssh/terminal"]
-  revision = "b2aa35443fbc700ab74c586ae79b81c171851023"
+  revision = "e73bf333ef8920dbb52ad18d4bd38ad9d9bc76d7"
 
 [[projects]]
   branch = "master"
@@ -152,7 +152,7 @@
     "html/atom",
     "html/charset"
   ]
-  revision = "b3c676e531a6dc479fa1b35ac961c13f5e2b4d2e"
+  revision = "5f9ae10d9af5b1c89ae6904293b14b064d4ada23"
 
 [[projects]]
   branch = "master"
@@ -161,7 +161,7 @@
     "unix",
     "windows"
   ]
-  revision = "1d206c9fa8975fb4cf00df1dc8bf3283dc24ba0e"
+  revision = "79b0c6888797020a994db17c8510466c72fe75d9"
 
 [[projects]]
   name = "golang.org/x/text"