check_mount.pl likes being executed in the plugin directory (otherwise cannot find utils.pm)

Signed-off-by: Christophe Vanlancker <christophe.vanlancker@inuits.eu>
fix executing of check_mount

Signed-off-by: Christophe Vanlancker <christophe.vanlancker@inuits.eu>
check_mount pkg name to conform to conventions

Signed-off-by: Christophe Vanlancker <christophe.vanlancker@inuits.eu>
Merge branch 'master' of ssh://redmine.inuits.eu:2223/puppetmaster/modules/inuits-puppet-icinga