Updated Roadmap (markdown)

Roadmap.md

@@ -5,18 +5,18 @@ This page describes a prioritized backlog of new vcpkg feature work and completi
   - [x] **Description:** vcpkg will allow you to cache library binaries to reduce installation times on other machines.
   - [x] **Specification/design document:** [Link to spec](https://github.com/microsoft/vcpkg/blob/master/docs/specifications/binarycaching.md)
   - [x] **Release date:** September 2020
-- [ ] **Versioning support** 
+- [x] **Versioning support** 
   - [x] **Description:** vcpkg will give you more flexibility by letting you specify the versions of libraries to install.
   - [x] **Specification/design document**: [Link to draft PR](https://github.com/microsoft/vcpkg/pull/11758)
-  - [ ] **Release date:** February 2021
+  - [x] **Release date:** February 2021
 - [x] **Manifest file support** 
   - [x] **Description:** vcpkg will support a manifest file that can specify all your dependencies declaratively and can be checked into source control.
   - [x] **Specification/design document:** [Link to spec](https://github.com/microsoft/vcpkg/blob/master/docs/specifications/manifests.md)
   - [x] **Release date:** September 2020
-- [ ] **Registries** 
+- [x] **Registries** 
   - [x] **Description:** vcpkg will allow you to easily install packages from multiple sources.
   - [x] **Specification/design document:** [Link to spec](https://github.com/microsoft/vcpkg/blob/master/docs/specifications/registries-2.md)
-  - [ ] **Release date:** February 2021 (Experimental initial release)
+  - [x] **Release date:** February 2021 (Experimental initial release)
 - [ ] **Ship vcpkg binary in Visual Studio**
   - [x] **Description:** vcpkg will be included by default with Visual Studio C++ workloads. 
   - [ ] **Release date:** TBD - Estimated Q2 2021