Bug 11510: koha-translate usage message fixes

The koha-translate's usage message has a couple of inconsistencies:

'--all' should be '--available'
and '--help' is missing from the usage examples.

Sponsored-by: Universidad Nacional de Cordoba
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Works as described, tested using instructions on
http://wiki.koha-community.org/wiki/Testing_man_pages

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(cherry picked from commit 83ab4edc5a79c6e2ca0f4d394387d20c9aee7453)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 0fb4373e31af2671f9917505aed3a7eff3d05dc2)
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
Bug 10896: Add a --verbose option to koha-translate

The -v and --verbose option switches add the --verbose switch to the
misc/translator/translate script call in the packages' 'koha-translate'
command.

The docs are updated accordingly.

Sponsored-by: Universidad Nacional de Cordoba
Signed-off-by: Magnus Enger <magnus@enger.priv.no>
Works as expected with and without -v. Man page looks good.

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(cherry picked from commit cfc3ce6772b908bb73a38a3bb778b8f25bb4ac9e)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 3f19528b9a28a8b3b91d40b3b36bfbfef3b8dc25)
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>