The units are used everywhere in the application, we don't really
need to include "dive.h" to be able to use unit conversion, so I
changed them to a new file. There is still a lot of non-dive stuff
in dive.h / c, I'll try to move more later.
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
