Merge pull request #1 from richardclegg/master

begin splitting `unix/flows.ml` into library and adding packedflow support
Merge pull request #2 from richardclegg/master

Moved things into flowlib
trailing whitespace
trailing whitespace
whitespace; indentation
[unix] oasis droppings
[capture] oasis changes and droppings
[capture] mirari configuration etc
whitespace