add configuration of complication flags

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
fix linting

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
fix default testing role to nginx

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
add missing chef-solo-search cookbook

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #2 from TelekomLabs/compile-flags

add configuration of compilation flags