Update dependencies

Gopkg.lock

@@ -54,7 +54,7 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:5b3e9450868bcf9ecbca2b01ac04f142255b5744d89ec97e1ceedf57d4522645"
+  digest = "1:086760278d762dbb0e9a26e09b57f04c89178c86467d8d94fae47d64c222f328"
   name = "golang.org/x/crypto"
   packages = [
     "ed25519",
@@ -62,11 +62,11 @@
     "pbkdf2",
   ]
   pruneopts = ""
-  revision = "22d7a77e9e5f409e934ed268692e56707cd169e5"
+  revision = "4def268fd1a49955bfb3dda92fe3db4f924f2285"
 
 [[projects]]
   branch = "master"
-  digest = "1:3fcc745bd071aa073bd666e01ff8df5fc72ab15f493ae7246710c66c738aab45"
+  digest = "1:31cd6e3c114e17c5f0c9e8b0bcaa3025ab3c221ce36323c7ce1acaa753d0d0aa"
   name = "golang.org/x/net"
   packages = [
     "context",
@@ -75,18 +75,18 @@
     "publicsuffix",
   ]
   pruneopts = ""
-  revision = "f3200d17e092c607f615320ecaad13d87ad9a2b3"
+  revision = "da137c7871d730100384dbcf36e6f8fa493aef5b"
 
 [[projects]]
   branch = "master"
-  digest = "1:15da26ca08810f02557a34a424e8a466ad135ca0b7b0944223748f529c211acd"
+  digest = "1:01bdbbc604dcd5afb6f66a717f69ad45e9643c72d5bc11678d44ffa5c50f9e42"
   name = "golang.org/x/oauth2"
   packages = [
     ".",
     "internal",
   ]
   pruneopts = ""
-  revision = "950ef44c6e079baf075030377d90bf0c7e4b7b7a"
+  revision = "0f29369cfe4552d0e4bcddc57cc75f4d7e672a33"
 
 [[projects]]
   digest = "1:740b51a55815493a8d0f2b1e0d0ae48fe48953bf7eaf3fcc4198823bf67768c0"
@@ -114,7 +114,7 @@
   version = "v0.3.2"
 
 [[projects]]
-  digest = "1:01b9b21ce3c29e95c6226188ab77233e59f4e397262a078cd6f248405b86dda7"
+  digest = "1:47f391ee443f578f01168347818cb234ed819521e49e4d2c8dd2fb80d48ee41a"
   name = "google.golang.org/appengine"
   packages = [
     "internal",
@@ -126,8 +126,8 @@
     "urlfetch",
   ]
   pruneopts = ""
-  revision = "4c25cacc810c02874000e4f7071286a8e96b2515"
+  revision = "b2f4a3cf3c67576a2ee09e1fe62656a5086ce880"
-  version = "v1.6.0"
+  version = "v1.6.1"
 
 [[projects]]
   digest = "1:e3250d192192f02fbb143d50de437cbe967d6be7bd9fad671600942a33269d08"