alter startup-script to use valid syntax

The valid syntax for sidekiq queues uses
-q flags before every queue instead of
the comma-separated list.
Look
[here](https://github.com/mperham/sidekiq/blob/master/Changes.md#2172)
for more information.
Merge pull request #577 from ontohub/fix_start_development_script

alter startup-script to use valid syntax