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/service/mobile/api.go

@@ -14,7 +14,7 @@ const opCreateProject = "CreateProject"
 
 // CreateProjectRequest generates a "aws/request.Request" representing the
 // client's request for the CreateProject operation. The "output" return
-// value will be populated with the request's response once the request complets
+// value will be populated with the request's response once the request completes
 // successfuly.
 //
 // Use "Send" method on the returned Request to send the API call to the service.
@@ -118,7 +118,7 @@ const opDeleteProject = "DeleteProject"
 
 // DeleteProjectRequest generates a "aws/request.Request" representing the
 // client's request for the DeleteProject operation. The "output" return
-// value will be populated with the request's response once the request complets
+// value will be populated with the request's response once the request completes
 // successfuly.
 //
 // Use "Send" method on the returned Request to send the API call to the service.
@@ -212,7 +212,7 @@ const opDescribeBundle = "DescribeBundle"
 
 // DescribeBundleRequest generates a "aws/request.Request" representing the
 // client's request for the DescribeBundle operation. The "output" return
-// value will be populated with the request's response once the request complets
+// value will be populated with the request's response once the request completes
 // successfuly.
 //
 // Use "Send" method on the returned Request to send the API call to the service.
@@ -310,7 +310,7 @@ const opDescribeProject = "DescribeProject"
 
 // DescribeProjectRequest generates a "aws/request.Request" representing the
 // client's request for the DescribeProject operation. The "output" return
-// value will be populated with the request's response once the request complets
+// value will be populated with the request's response once the request completes
 // successfuly.
 //
 // Use "Send" method on the returned Request to send the API call to the service.
@@ -408,7 +408,7 @@ const opExportBundle = "ExportBundle"
 
 // ExportBundleRequest generates a "aws/request.Request" representing the
 // client's request for the ExportBundle operation. The "output" return
-// value will be populated with the request's response once the request complets
+// value will be populated with the request's response once the request completes
 // successfuly.
 //
 // Use "Send" method on the returned Request to send the API call to the service.
@@ -507,7 +507,7 @@ const opExportProject = "ExportProject"
 
 // ExportProjectRequest generates a "aws/request.Request" representing the
 // client's request for the ExportProject operation. The "output" return
-// value will be populated with the request's response once the request complets
+// value will be populated with the request's response once the request completes
 // successfuly.
 //
 // Use "Send" method on the returned Request to send the API call to the service.
@@ -607,7 +607,7 @@ const opListBundles = "ListBundles"
 
 // ListBundlesRequest generates a "aws/request.Request" representing the
 // client's request for the ListBundles operation. The "output" return
-// value will be populated with the request's response once the request complets
+// value will be populated with the request's response once the request completes
 // successfuly.
 //
 // Use "Send" method on the returned Request to send the API call to the service.
@@ -758,7 +758,7 @@ const opListProjects = "ListProjects"
 
 // ListProjectsRequest generates a "aws/request.Request" representing the
 // client's request for the ListProjects operation. The "output" return
-// value will be populated with the request's response once the request complets
+// value will be populated with the request's response once the request completes
 // successfuly.
 //
 // Use "Send" method on the returned Request to send the API call to the service.
@@ -909,7 +909,7 @@ const opUpdateProject = "UpdateProject"
 
 // UpdateProjectRequest generates a "aws/request.Request" representing the
 // client's request for the UpdateProject operation. The "output" return
-// value will be populated with the request's response once the request complets
+// value will be populated with the request's response once the request completes
 // successfuly.
 //
 // Use "Send" method on the returned Request to send the API call to the service.

vendor/github.com/aws/aws-sdk-go/service/mobile/service.go

@@ -45,14 +45,14 @@ const (
 //     svc := mobile.New(mySession, aws.NewConfig().WithRegion("us-west-2"))
 func New(p client.ConfigProvider, cfgs ...*aws.Config) *Mobile {
 	c := p.ClientConfig(EndpointsID, cfgs...)
+	if c.SigningNameDerived || len(c.SigningName) == 0 {
+		c.SigningName = "AWSMobileHubService"
+	}
 	return newClient(*c.Config, c.Handlers, c.Endpoint, c.SigningRegion, c.SigningName)
 }
 
 // newClient creates, initializes and returns a new service client instance.
 func newClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegion, signingName string) *Mobile {
-	if len(signingName) == 0 {
-		signingName = "AWSMobileHubService"
-	}
 	svc := &Mobile{
 		Client: client.New(
 			cfg,