Implementation of environment operations moved to library package.
Code for searching objects by ids and names extracted to the library
function.
Exceptions propagation added to example config. It is useful for
testing and troubleshooting to have error message not only in logs
but in the API response too.
Tuningbox errors hierarchy added to the project.
Change-Id: Ic2fd3c3c17409723bfa3cfff1c0bb18f3a65f0d7
8f5bf1883d