add an opam metadata transient
Fix sexp_of_exn bug
make can fail to find commands, too
Any change in a packages files directory is meaningful
Environment variables might be quoted (for cygwin?: OcamlPro/opam#fea5319693de01d4e135c47e2fe212c29a73876b)
redirect to new server
add linux/i386
Fix the "incompatible" analysis, and add a SYSTEM failure for when worker is running as root
Merge branch 'transients'

Conflicts:
	lib/result.ml
	lib/serve.ml
Fix merge errors