Add osc_lwt.mli

Signed-off-by: John Else <john.else@citrix.com>
Add osc_unix.mli

Signed-off-by: John Else <john.else@citrix.com>
Reword a doccomment

Signed-off-by: John Else <john.else@citrix.com>
Tidy up Osc_transport docs

Signed-off-by: John Else <john.else@citrix.com>
Makefile: tidy dependencies

Signed-off-by: John Else <john.else@citrix.com>
Makefile: reorder stanzas

Signed-off-by: John Else <john.else@citrix.com>
Add SuperCollider interop test

Signed-off-by: John Else <john.else@citrix.com>
Add SuperCollider interop test to travis

Signed-off-by: John Else <john.else@citrix.com>