Update README, CONTRIBUTING with roadmap

Author: sdboyer

CONTRIBUTING.md

@@ -4,6 +4,7 @@ Dep is an open source project.
 
 It is the work of hundreds of contributors. We appreciate your help!
 
+Keep an eye on the [Roadmap](https://github.com/golang/dep/wiki/Roadmap) for a summary of where the project is, and where we're headed.
 
 ## Filing issues
 

README.md

@@ -4,16 +4,12 @@ Linux: [![Build Status](https://travis-ci.org/golang/dep.svg?branch=master)](htt
 
 Dep is a prototype dependency management tool. It requires Go 1.7 or newer to compile.
 
-### Dep is NOT an official tool. It is not (yet) blessed by the Go team.
-
-It IS, however, the consensus effort of most of the Go community, and being integrated into the `go` toolchain is the goal.
-
-We're working on a roadmap with more details.
+`dep` is NOT an official tool. Yet. Check out the [Roadmap](https://github.com/golang/dep/wiki/Roadmap)!
 
 ## Current status
 
-**Pre-alpha**.
-Lots of functionality is knowingly missing or broken.
+**Alpha**.
+Functionality is known to be broken, missing or incomplete. Command and file format changes are still planned.
 The repository is open to solicit feedback and contributions from the community.
 Please see below for feedback and contribution guidelines.