Update go dep (#1560)

This fix updates go dep with `dep ensure --update` as well as the following:
- Removed github.com/ugorji/go restriction in Gopkg.toml (fixes  #1557)
- Added github.com/flynn/go-shlex in Makefile (neede by Caddy, maybe removed later)

This fix fixes #1557

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

Gopkg.lock

@@ -16,8 +16,8 @@
 [[projects]]
   name = "github.com/Shopify/sarama"
   packages = ["."]
-  revision = "3b1b38866a79f06deddf0487d5c27ba0697ccd65"
-  version = "v1.15.0"
+  revision = "f7be6aa2bc7b2e38edf816b08b582782194a1c02"
+  version = "v1.16.0"
 
 [[projects]]
   name = "github.com/apache/thrift"
@@ -44,6 +44,7 @@
     "aws/request",
     "aws/session",
     "aws/signer/v4",
+    "internal/sdkrand",
     "internal/shareddefaults",
     "private/protocol",
     "private/protocol/query",
@@ -55,8 +56,8 @@
     "service/route53/route53iface",
     "service/sts"
   ]
-  revision = "0cebc639926eb91b0192dae4b28bc808417e764c"
-  version = "v1.12.61"
+  revision = "f7f1ee9550cc76ceea731d99c8dbe00a0c39f66d"
+  version = "v1.13.4"
 
 [[projects]]
   name = "github.com/coreos/etcd"
@@ -67,8 +68,8 @@
     "pkg/types",
     "version"
   ]
-  revision = "fb5cd6f1c72c2b98e0c4453444cdfba306da867b"
-  version = "v3.2.14"
+  revision = "28f3f26c0e303392556035b694f75768d449d33d"
+  version = "v3.3.1"
 
 [[projects]]
   name = "github.com/coreos/go-semver"
@@ -112,14 +113,14 @@
     ".",
     "log"
   ]
-  revision = "2dd44038f0b95ae693b266c5f87593b5d2fdd78d"
-  version = "v2.5.0"
+  revision = "26b41036311f2da8242db402557a0dbd09dc83da"
+  version = "v2.6.0"
 
 [[projects]]
   branch = "master"
   name = "github.com/farsightsec/golang-framestream"
   packages = ["."]
-  revision = "dec85654e8b8cf6712870afb14ee53d1c98cd5e2"
+  revision = "c06a5734334d9629b3db143d74b47eb94ea68612"
 
 [[projects]]
   name = "github.com/ghodss/yaml"
@@ -155,13 +156,13 @@
   branch = "master"
   name = "github.com/go-openapi/spec"
   packages = ["."]
-  revision = "fa03337d7da5735229ee8f5e9d5d0b996014b7f8"
+  revision = "1de3e0542de65ad8d75452a595886fdd0befb363"
 
 [[projects]]
   branch = "master"
   name = "github.com/go-openapi/swag"
   packages = ["."]
-  revision = "84f4bee7c0a6db40e3166044c7983c1c32125429"
+  revision = "0d03ad0b6405ada874d59d97c416b5cf4234e154"
 
 [[projects]]
   name = "github.com/gogo/protobuf"
@@ -169,8 +170,8 @@
     "proto",
     "sortkeys"
   ]
-  revision = "342cbe0a04158f6dcb03ca0079991a51a4248c02"
-  version = "v0.5"
+  revision = "1adfc126b41513cc696b209667c8656ea7aac67c"
+  version = "v1.0.0"
 
 [[projects]]
   branch = "master"
@@ -179,7 +180,6 @@
   revision = "23def4e6c14b4da8ac2ed8007337bc5eb5007998"
 
 [[projects]]
-  branch = "master"
   name = "github.com/golang/protobuf"
   packages = [
     "proto",
@@ -188,7 +188,8 @@
     "ptypes/duration",
     "ptypes/timestamp"
   ]
-  revision = "1e59b77b52bf8e4b449a57e6f79f21226d571845"
+  revision = "925541529c1fa6821df4e44ce2723319eb2be768"
+  version = "v1.0.0"
 
 [[projects]]
   branch = "master"
@@ -200,7 +201,7 @@
   branch = "master"
   name = "github.com/google/btree"
   packages = ["."]
-  revision = "316fb6d3f031ae8f4d457c6c5186b9e3ded70435"
+  revision = "e89373fe6b4a7413d7acd6da1725b83ef713e6e4"
 
 [[projects]]
   branch = "master"
@@ -240,7 +241,7 @@
     ".",
     "simplelru"
   ]
-  revision = "0a025b7e63adc15a622f29b0b2c4c3848243bbf6"
+  revision = "0fb14efe8c47ae851c0034ed7a448854d3d34cf3"
 
 [[projects]]
   branch = "master"
@@ -251,8 +252,8 @@
 [[projects]]
   name = "github.com/imdario/mergo"
   packages = ["."]
-  revision = "f1ac5984e69fed03e0574a92f70c59f132616ea2"
-  version = "0.3.0"
+  revision = "163f41321a19dd09362d4c63cc2489db2015f1f4"
+  version = "0.3.2"
 
 [[projects]]
   name = "github.com/jmespath/go-jmespath"
@@ -262,14 +263,14 @@
 [[projects]]
   name = "github.com/json-iterator/go"
   packages = ["."]
-  revision = "f7279a603edee96fe7764d3de9c6ff8cf9970994"
-  version = "1.0.4"
+  revision = "0ac74bba4a81211b28e32ef260c0f16ae41f1377"
+  version = "1.1.1"
 
 [[projects]]
-  branch = "master"
   name = "github.com/juju/ratelimit"
   packages = ["."]
   revision = "59fac5042749a5afb9af70e813da1dd5474f0167"
+  version = "1.0.1"
 
 [[projects]]
   branch = "master"
@@ -366,7 +367,7 @@
   branch = "master"
   name = "github.com/rcrowley/go-metrics"
   packages = ["."]
-  revision = "e181e095bae94582363434144c61a9653aff6e50"
+  revision = "8732c616f52954686704c8645fe1a9d59e9df7c1"
 
 [[projects]]
   name = "github.com/spf13/pflag"
@@ -377,13 +378,23 @@
 [[projects]]
   name = "github.com/ugorji/go"
   packages = ["codec"]
-  revision = "8c0409fcbb70099c748d71f714529204975f6c3f"
+  revision = "9831f2c3ac1068a78f50999a30db84270f647af6"
+  version = "v1.1"
+
+[[projects]]
+  name = "github.com/v2pro/plz"
+  packages = [
+    "concurrent",
+    "reflect2"
+  ]
+  revision = "10fc95fad3224a032229e59f6e7023137d82b526"
+  version = "0.9.1"
 
 [[projects]]
   branch = "master"
   name = "golang.org/x/crypto"
   packages = ["ssh/terminal"]
-  revision = "13931e22f9e72ea58bb73048bc752b48c6d4d4ac"
+  revision = "49796115aa4b964c318aad4f3084fdb41e9aa067"
 
 [[projects]]
   branch = "master"
@@ -392,27 +403,13 @@
     "unix",
     "windows"
   ]
-  revision = "810d7000345868fc619eb81f46307107118f4ae1"
-
-[[projects]]
-  branch = "master"
-  name = "golang.org/x/text"
-  packages = [
-    "internal/gen",
-    "internal/triegen",
-    "internal/ucd",
-    "transform",
-    "unicode/cldr",
-    "unicode/norm",
-    "width"
-  ]
-  revision = "e19ae1496984b1c655b8044a65c0300a3c878dd3"
+  revision = "88d2dcc510266da9f7f8c7f34e1940716cab5f5c"
 
 [[projects]]
   branch = "master"
   name = "google.golang.org/genproto"
   packages = ["googleapis/rpc/status"]
-  revision = "a8101f21cf983e773d0c1133ebc5424792003214"
+  revision = "2b5a72b8730b0b16380010cfe5286c42108d88e7"
 
 [[projects]]
   name = "google.golang.org/grpc"
@@ -425,6 +422,7 @@
     "connectivity",
     "credentials",
     "encoding",
+    "encoding/proto",
     "grpclb/grpc_lb_v1/messages",
     "grpclog",
     "internal",
@@ -440,8 +438,8 @@
     "tap",
     "transport"
   ]
-  revision = "7cea4cc846bcf00cbb27595b07da5de875ef7de9"
-  version = "v1.9.1"
+  revision = "8e4536a86ab602859c20df5ebfd0bd4228d08655"
+  version = "v1.10.0"
 
 [[projects]]
   name = "gopkg.in/inf.v0"
@@ -593,11 +591,11 @@
   branch = "master"
   name = "k8s.io/kube-openapi"
   packages = ["pkg/common"]
-  revision = "a07b7bbb58e7fdc5144f8d7046331d29fc9ad3b3"
+  revision = "50ae88d24ede7b8bad68e23c805b5d3da5c8abaf"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "eb43278f9f3825b0fa2ba07fd7ecd66fa9741b62bb276f7246db83bc53a39d84"
+  inputs-digest = "e302488e45c3f12eae09558fb7c71cf495826866cb5b764745c10fffcb325537"
   solver-name = "gps-cdcl"
   solver-version = 1