Add route53 plugin (#1390)

* Update vendor

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Add route53 plugin

This fix adds route53 plugin so that it is possible to
query route53 record through CoreDNS.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

Gopkg.lock

@@ -25,6 +25,39 @@
   revision = "327ebb6c2b6df8bf075da02ef45a2a034e9b79ba"
   version = "0.11.0"
 
+[[projects]]
+  name = "github.com/aws/aws-sdk-go"
+  packages = [
+    "aws",
+    "aws/awserr",
+    "aws/awsutil",
+    "aws/client",
+    "aws/client/metadata",
+    "aws/corehandlers",
+    "aws/credentials",
+    "aws/credentials/ec2rolecreds",
+    "aws/credentials/endpointcreds",
+    "aws/credentials/stscreds",
+    "aws/defaults",
+    "aws/ec2metadata",
+    "aws/endpoints",
+    "aws/request",
+    "aws/session",
+    "aws/signer/v4",
+    "internal/shareddefaults",
+    "private/protocol",
+    "private/protocol/query",
+    "private/protocol/query/queryutil",
+    "private/protocol/rest",
+    "private/protocol/restxml",
+    "private/protocol/xml/xmlutil",
+    "service/route53",
+    "service/route53/route53iface",
+    "service/sts"
+  ]
+  revision = "0cebc639926eb91b0192dae4b28bc808417e764c"
+  version = "v1.12.61"
+
 [[projects]]
   name = "github.com/coreos/etcd"
   packages = [
@@ -34,8 +67,8 @@
     "pkg/types",
     "version"
   ]
-  revision = "8c43bc2c1ea98b535b652426a9b0f4344fcbda68"
-  version = "v3.2.13"
+  revision = "fb5cd6f1c72c2b98e0c4453444cdfba306da867b"
+  version = "v3.2.14"
 
 [[projects]]
   name = "github.com/coreos/go-semver"
@@ -79,8 +112,8 @@
     ".",
     "log"
   ]
-  revision = "5741799b275a3c4a5a9623a993576d7545cf7b5c"
-  version = "v2.4.0"
+  revision = "2dd44038f0b95ae693b266c5f87593b5d2fdd78d"
+  version = "v2.5.0"
 
 [[projects]]
   branch = "master"
@@ -94,6 +127,12 @@
   revision = "0ca9ea5df5451ffdf184b4428c902747c2c11cd7"
   version = "v1.0.0"
 
+[[projects]]
+  name = "github.com/go-ini/ini"
+  packages = ["."]
+  revision = "32e4c1e6bc4e7d0d8451aa6b75200d19e37a536a"
+  version = "v1.32.0"
+
 [[projects]]
   name = "github.com/go-logfmt/logfmt"
   packages = ["."]
@@ -122,7 +161,7 @@
   branch = "master"
   name = "github.com/go-openapi/swag"
   packages = ["."]
-  revision = "cf0bdb963811675a4d7e74901cefc7411a1df939"
+  revision = "84f4bee7c0a6db40e3166044c7983c1c32125429"
 
 [[projects]]
   name = "github.com/gogo/protobuf"
@@ -212,8 +251,13 @@
 [[projects]]
   name = "github.com/imdario/mergo"
   packages = ["."]
-  revision = "7fe0c75c13abdee74b09fcacef5ea1c6bba6a874"
-  version = "0.2.4"
+  revision = "f1ac5984e69fed03e0574a92f70c59f132616ea2"
+  version = "0.3.0"
+
+[[projects]]
+  name = "github.com/jmespath/go-jmespath"
+  packages = ["."]
+  revision = "0b12d6b5"
 
 [[projects]]
   name = "github.com/json-iterator/go"
@@ -316,7 +360,7 @@
     "internal/bitbucket.org/ww/goautoneg",
     "model"
   ]
-  revision = "2e54d0b93cba2fd133edc32211dcc32c06ef72ca"
+  revision = "89604d197083d4781071d3c65855d24ecfb0a563"
 
 [[projects]]
   branch = "master"
@@ -339,7 +383,7 @@
   branch = "master"
   name = "golang.org/x/crypto"
   packages = ["ssh/terminal"]
-  revision = "0fcca4842a8d74bfddc2c96a073bd2a4d2a7a2e8"
+  revision = "13931e22f9e72ea58bb73048bc752b48c6d4d4ac"
 
 [[projects]]
   branch = "master"
@@ -348,7 +392,7 @@
     "unix",
     "windows"
   ]
-  revision = "83801418e1b59fb1880e363299581ee543af32ca"
+  revision = "810d7000345868fc619eb81f46307107118f4ae1"
 
 [[projects]]
   branch = "master"
@@ -375,6 +419,7 @@
   packages = [
     ".",
     "balancer",
+    "balancer/base",
     "balancer/roundrobin",
     "codes",
     "connectivity",
@@ -395,8 +440,8 @@
     "tap",
     "transport"
   ]
-  revision = "e687fa4e6424368ece6e4fe727cea2c806a0fcb4"
-  version = "v1.8.2"
+  revision = "7cea4cc846bcf00cbb27595b07da5de875ef7de9"
+  version = "v1.9.1"
 
 [[projects]]
   name = "gopkg.in/inf.v0"
@@ -408,7 +453,7 @@
   branch = "v2"
   name = "gopkg.in/yaml.v2"
   packages = ["."]
-  revision = "c95af922eae69f190717a0b7148960af8c55a072"
+  revision = "d670f9405373e636a5a2765eea47fac0c9bc91a4"
 
 [[projects]]
   name = "k8s.io/api"
@@ -548,11 +593,11 @@
   branch = "master"
   name = "k8s.io/kube-openapi"
   packages = ["pkg/common"]
-  revision = "b16ebc07f5cad97831f961e4b5a9cc1caed33b7e"
+  revision = "a07b7bbb58e7fdc5144f8d7046331d29fc9ad3b3"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "4aeebd6b2fe24acde2f69a5dc347ba7ebead910ac1c3455a0656c00724c9b1be"
+  inputs-digest = "eb43278f9f3825b0fa2ba07fd7ecd66fa9741b62bb276f7246db83bc53a39d84"
   solver-name = "gps-cdcl"
   solver-version = 1