Vendor in latest storage, image and runtime-tools

Need to pull in the latest containers/storage and containers/image to fix lots of
issues.  Also want to update runtime-tools to take advantage of newer generate
code.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

Closes: #152
Approved by: rhatdan

vendor/github.com/stretchr/testify/require/forward_requirements.go

@@ -1,16 +0,0 @@
-package require
-
-// Assertions provides assertion methods around the
-// TestingT interface.
-type Assertions struct {
-	t TestingT
-}
-
-// New makes a new Assertions object for the specified TestingT.
-func New(t TestingT) *Assertions {
-	return &Assertions{
-		t: t,
-	}
-}
-
-//go:generate go run ../_codegen/main.go -output-package=require -template=require_forward.go.tmpl