bugfix: correct string concatenantions

puppet doesn't understand this and what was done to help the linter go through turned out to be a big step backwards

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
disable 80char checks in puppet-lint

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #8 from TelekomLabs/fix/string-concats

Fix/string concats