Add functionality to build and install chef gem from client source code.
Revert "install driver gems with Gem::GemRunner"

This reverts commit b90a247e7eef6564d08a26cd616c6a31456cf5b2.
Merge branch 'master' of https://github.com/test-kitchen/test-kitchen
Add workarounds for CentOS
Quietly uninstall previous chef gem.
Install make and gcc in order to build gems locally.