vendor: update all dependencies

* Update all dependencies
  * Remove all `[[constraint]]` from Gopkg.toml
  * Add in the minimum number of `[[override]]` to build
  * Remove go get of github.com/inconshreveable/mousetrap as it is vendored
  * Update docs with new policy on constraints

vendor/github.com/aws/aws-sdk-go/models/apis/cloudfront/2017-10-30/examples-1.json

@@ -0,0 +1,5 @@
+{
+  "version": "1.0",
+  "examples": {
+  }
+}

vendor/github.com/aws/aws-sdk-go/models/apis/cloudfront/2017-10-30/paginators-1.json

@@ -0,0 +1,32 @@
+{
+  "pagination": {
+    "ListCloudFrontOriginAccessIdentities": {
+      "input_token": "Marker",
+      "limit_key": "MaxItems",
+      "more_results": "CloudFrontOriginAccessIdentityList.IsTruncated",
+      "output_token": "CloudFrontOriginAccessIdentityList.NextMarker",
+      "result_key": "CloudFrontOriginAccessIdentityList.Items"
+    },
+    "ListDistributions": {
+      "input_token": "Marker",
+      "limit_key": "MaxItems",
+      "more_results": "DistributionList.IsTruncated",
+      "output_token": "DistributionList.NextMarker",
+      "result_key": "DistributionList.Items"
+    },
+    "ListInvalidations": {
+      "input_token": "Marker",
+      "limit_key": "MaxItems",
+      "more_results": "InvalidationList.IsTruncated",
+      "output_token": "InvalidationList.NextMarker",
+      "result_key": "InvalidationList.Items"
+    },
+    "ListStreamingDistributions": {
+      "input_token": "Marker",
+      "limit_key": "MaxItems",
+      "more_results": "StreamingDistributionList.IsTruncated",
+      "output_token": "StreamingDistributionList.NextMarker",
+      "result_key": "StreamingDistributionList.Items"
+    }
+  }
+}

vendor/github.com/aws/aws-sdk-go/models/apis/cloudfront/2017-10-30/smoke.json

@@ -0,0 +1,20 @@
+{
+    "version": 1,
+    "defaultRegion": "us-east-1",
+    "testCases": [
+        {
+            "operationName": "ListCloudFrontOriginAccessIdentities",
+            "input": {
+                "MaxItems": "1"
+            },
+            "errorExpectedFromService": false
+        },
+        {
+            "operationName": "GetDistribution",
+            "input": {
+                "Id": "fake-id"
+            },
+            "errorExpectedFromService": true
+        }
+    ]
+}

vendor/github.com/aws/aws-sdk-go/models/apis/cloudfront/2017-10-30/waiters-2.json

@@ -0,0 +1,47 @@
+{
+  "version": 2,
+  "waiters": {
+    "DistributionDeployed": {
+      "delay": 60,
+      "operation": "GetDistribution",
+      "maxAttempts": 25,
+      "description": "Wait until a distribution is deployed.",
+      "acceptors": [
+        {
+          "expected": "Deployed",
+          "matcher": "path",
+          "state": "success",
+          "argument": "Distribution.Status"
+        }
+      ]
+    },
+    "InvalidationCompleted": {
+      "delay": 20,
+      "operation": "GetInvalidation",
+      "maxAttempts": 30,
+      "description": "Wait until an invalidation has completed.",
+      "acceptors": [
+        {
+          "expected": "Completed",
+          "matcher": "path",
+          "state": "success",
+          "argument": "Invalidation.Status"
+        }
+      ]
+    },
+    "StreamingDistributionDeployed": {
+      "delay": 60,
+      "operation": "GetStreamingDistribution",
+      "maxAttempts": 25,
+      "description": "Wait until a streaming distribution is deployed.",
+      "acceptors": [
+        {
+          "expected": "Deployed",
+          "matcher": "path",
+          "state": "success",
+          "argument": "StreamingDistribution.Status"
+        }
+      ]
+    }
+  }
+}