Inline the docs in crypto/.

It's all fairly simple one-liners, there is no benefit to keeping them
separate.

Author: pphaneuf

crypto/keys/doc.go

@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// Package keys provides access to public and private keys for signing and verification of signatures.
 package keys
 
 import (

crypto/keys/handlers.go

@@ -14,6 +14,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// Package pkcs11 provides access to private keys using a PKCS#11 interface.
 package pkcs11
 
 import (

crypto/keys/pkcs11/doc.go

@@ -12,6 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// Package testonly contains code and data that should only be used by tests.
+// Production code MUST NOT depend on anything in this package. This will be
+// enforced by tools where possible.
 package testonly
 
 import (