cli, gapi, lang, lib: Add a flag to skip autoedges

The GAPI API is a bit of a mess, but I think this seems to work for
standalone run and also deploys. Hopefully I didn't add any unnecessary
extra dead code here, but that's archaeology for another day.

gapi/gapi.go

@@ -71,6 +71,8 @@ type Flags struct {
 
 	Noop bool
 	Sema int
+
+	NoAutoEdges bool
 }
 
 // Info is the set of input values passed into the Cli method so that the GAPI