Add "zfcampus/zf-configuration" dependency
Merge pull request #27 from gsc-frank/fix_deps_conf

Add "zfcampus/zf-configuration" dependency
[#27] move dep to require-dev

- zf-configuration is only used by the admin
[#27] ZF\Configuration is for the admin only

- only used by the admin; moved to development config
Merge branch 'hotfix/27'

Close #27