Support for individual passwords where needed (issue #11)

Also add a $master_password that will be used in all those places where a password is needed but a specific password is not provided.
Unify job/jobdefs name variable.

Lints
Merge branch 'master' of https://github.com/lieutdan13/puppet-bacula into lieutdan13-master

Conflicts:
	manifests/director/job.pp
	templates/director/job.conf.erb
	templates/director/storage.conf.erb

*schedule* is a metaparameter, so changed it to job_schedule to avoid conflicts.
Merge branch 'lieutdan13-master'

closes #10
Bump version