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/google.golang.org/api/cloudkms/v1/cloudkms-gen.go

@@ -1,4 +1,4 @@
-// Package cloudkms provides access to the Google Cloud Key Management Service (KMS) API.
+// Package cloudkms provides access to the Cloud Key Management Service (KMS) API.
 //
 // See https://cloud.google.com/kms/
 //
@@ -192,7 +192,6 @@ type ProjectsLocationsKeyRingsCryptoKeysCryptoKeyVersionsService struct {
 type AuditConfig struct {
 	// AuditLogConfigs: The configuration for logging of each type of
 	// permission.
-	// Next ID: 4
 	AuditLogConfigs []*AuditLogConfig `json:"auditLogConfigs,omitempty"`
 
 	// Service: Specifies a service that will be enabled for audit
@@ -303,7 +302,7 @@ type Binding struct {
 	//
 	// * `user:{emailid}`: An email address that represents a specific
 	// Google
-	//    account. For example, `alice@gmail.com` or `joe@example.com`.
+	//    account. For example, `alice@gmail.com` .
 	//
 	//
 	// * `serviceAccount:{emailid}`: An email address that represents a
@@ -937,7 +936,7 @@ func (s *Location) MarshalJSON() ([]byte, error) {
 // specify access control policies for Cloud Platform resources.
 //
 //
-// A `Policy` consists of a list of `bindings`. A `Binding` binds a list
+// A `Policy` consists of a list of `bindings`. A `binding` binds a list
 // of
 // `members` to a `role`, where the members can be user accounts, Google
 // groups,
@@ -945,7 +944,7 @@ func (s *Location) MarshalJSON() ([]byte, error) {
 // permissions
 // defined by IAM.
 //
-// **Example**
+// **JSON Example**
 //
 //     {
 //       "bindings": [
@@ -956,7 +955,7 @@ func (s *Location) MarshalJSON() ([]byte, error) {
 //             "group:admins@example.com",
 //             "domain:google.com",
 //
-// "serviceAccount:my-other-app@appspot.gserviceaccount.com",
+// "serviceAccount:my-other-app@appspot.gserviceaccount.com"
 //           ]
 //         },
 //         {
@@ -966,6 +965,20 @@ func (s *Location) MarshalJSON() ([]byte, error) {
 //       ]
 //     }
 //
+// **YAML Example**
+//
+//     bindings:
+//     - members:
+//       - user:mike@example.com
+//       - group:admins@example.com
+//       - domain:google.com
+//       - serviceAccount:my-other-app@appspot.gserviceaccount.com
+//       role: roles/owner
+//     - members:
+//       - user:sean@example.com
+//       role: roles/viewer
+//
+//
 // For a description of IAM and its features, see the
 // [IAM developer's guide](https://cloud.google.com/iam/docs).
 type Policy struct {
@@ -1186,7 +1199,7 @@ type ProjectsLocationsGetCall struct {
 	header_      http.Header
 }
 
-// Get: Get information about a location.
+// Get: Gets information about a location.
 func (r *ProjectsLocationsService) Get(name string) *ProjectsLocationsGetCall {
 	c := &ProjectsLocationsGetCall{s: r.s, urlParams_: make(gensupport.URLParams)}
 	c.name = name
@@ -1287,7 +1300,7 @@ func (c *ProjectsLocationsGetCall) Do(opts ...googleapi.CallOption) (*Location,
 	}
 	return ret, nil
 	// {
-	//   "description": "Get information about a location.",
+	//   "description": "Gets information about a location.",
 	//   "flatPath": "v1/projects/{projectsId}/locations/{locationsId}",
 	//   "httpMethod": "GET",
 	//   "id": "cloudkms.projects.locations.get",