Make sure the device open error reaches the user

This is a bit ugly fix to make sure the right error message reaches the
user in case of being unable to open the device.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Emit the successful message the right way

The successful message was emitted in a some what older way then the
other messages so it was always emitted, even on error.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Read and write alarm time correctly for Stinger

The Stinger stores the alarm time in seconds, instead of minutes as the
Vyper does it. This corrects for that.

Reported-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
User manual update

This update concerns:
  Import of dive logs from Suunto DM5
  Configuration of dive computers
  Description of main menu items

One figure has been added

Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
User manual: new images taken from Fedora 20 KDE.

Signed-off-by: willem ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Typo fixes on user manual

Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Unify spelling of DivingLog on user manual

Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>