Use puppetlabs/concat module

Replace dependency ripienaar/concat with puppetlabs/concat so only
modules from puppetlabs are used.
Merge pull request #46 from toabctl/puppetlabs-concat-dependency

Use puppetlabs/concat module
Update fixtures according #46
[spec] Fix spec tests according commit 5f03f80
[spec] Add lsbditid (needed by apt module)
Update travis config and add utility for puppet forge
Release version 1.0.0 (closes: #47)
Fix account name…