Merge pull request #43 from proppy/master

travis: fix test deps
Add proppy to CONTRIBUTORS.
Merge branch 'master' of github.com:GoogleCloudPlatform/gcloud-golang
Mention import path, add a link to godoc.
storage: Fix metageneration tag.
storage: Initiate storage client with a project ID.

Project IDs will be required during bucket creation. Additionally,
in order to keep the consistency among other service clients (such
as pubsub), we should require user to set their project ID during
client initialization.
Add new ACL functions.
These new functions operate on Buckets, Default Objects, and individual Objects.
Also, make RoleOwner and RoleReader type ACLRole constants.
Merge pull request #42 from gmlewis/add-acl

Add new ACL functions.
Add examples for App Engine and Managed VMs showing how to use the GCS client library.
Merge pull request #50 from gmlewis/add-examples

Add examples for App Engine and Managed VMs showing use of GCS client library.
Fixed npd when the Message == nil.
Use errors.New instead of fmt.Errorf.
Merge pull request #57 from tmatsuo/master

Fixed nil pointer dereference error when the Message == nil
Introduce a Context type.
Fix minor lint error.
Merge branch 'master' of github.com:GoogleCloudPlatform/gcloud-golang
Fixing the broken build.
Remove storage.Client, use a context, flatten the storage package.
Delete the empty test file.
Handle 404 for the raw request.