cmd/aedeploy: ignore go1.7 build tag

The go1.7 runtime isn't out yet, but aedeploy built with a local Go 1.7 will
bundle dependencies suited for a 1.7 builder.

Ignore the go1.7 build tag to keep bundling dependencies like an
aedeploy built with 1.6.

Change-Id: I9463562ba5b6e8cbae2bf6cfcb405c9987bf27a7

cmd/aedeploy/aedeploy.go

@@ -115,10 +115,14 @@ func buildContext(tags []string) *build.Context {
 		GOROOT:    build.Default.GOROOT,
 		GOPATH:    build.Default.GOPATH,
 		Compiler:  build.Default.Compiler,
-		BuildTags: append(build.Default.BuildTags, tags...),
+		BuildTags: append(defaultBuildTags, tags...),
 	}
 }
 
+// All build tags except go1.7, since Go 1.6 is the runtime version.
+var defaultBuildTags = []string{
+	"go1.1", "go1.2", "go1.3", "go1.4", "go1.5", "go1.6"}
+
 // bundle bundles the app into a temporary directory.
 func (s *app) bundle() (tmpdir string, err error) {
 	workDir, err := ioutil.TempDir("", "aedeploy")