release: clean up after v0.7.3

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 0.7.4 (Unreleased)
+
+
 ## 0.7.3 (September 5, 2016)
 
 BACKWARDS INCOMPATIBILITIES / NOTES:

terraform/version.go

@@ -7,12 +7,12 @@ import (
 )
 
 // The main version number that is being run at the moment.
-const Version = "0.7.3"
+const Version = "0.7.4"
 
 // 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.
-const VersionPrerelease = ""
+const VersionPrerelease = "dev"
 
 // SemVersion is an instance of version.Version. This has the secondary
 // benefit of verifying during tests and init time that our version is a