Adds recipe[apt] to ubuntu box run_list.
Merge pull request #65 from patcon/65-test-kitchen

Adds basic `test-kitchen` coverage.
Alias percona::default to percona::client like in mysql cookbook.
Adds mysql dep. Moves client packages and libmysqlclient-dev into attributes.
Moves to partially using mysql::percona_repo recipe.
Creates separate client/server test suites.
Copies mysql::percona_repo into percona::package_repo.
Fixes apt_pref resource for glob attr in v1.9.0.
Adds chef-rewind for forcing pkg install from non-distro percona repo.