* Move functions from pkg/transport to pkg/parse

Although "parse" is a fairly generic name I believe this is somewhat
better named. pkg/transport keeps a few constants that are uses
throughout for the rest is is renaming a bunch (and the fallout from
there to make things compile again).
Signed-off-by: Miek Gieben <miek@miek.nl>

* Fix tests
Signed-off-by: Miek Gieben <miek@miek.nl>