release: clean up after v0.12.0-beta1

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 0.12.0-beta2 (Unreleased)
+
+
 ## 0.12.0-beta1 (Feb 28, 2019)
 
 Please see [the announcement post](https://www.hashicorp.com/blog/announcing-terraform-0-1-2-beta1) for details on how to use this release.

version/version.go

@@ -16,7 +16,7 @@ var Version = "0.12.0"
 // A pre-release marker for the version. If this is "" (empty string)
 // then it means that it is a final release. Otherwise, this is a pre-release
 // such as "dev" (in development), "beta", "rc1", etc.
-var Prerelease = "beta1"
+var Prerelease = "dev"
 
 // SemVer is an instance of version.Version. This has the secondary
 // benefit of verifying during tests and init time that our version is a