cmd/crane: use cmd/testing instead of testing
cmd/tsuru-admin: use cmd/testing instead of testing
cmd/tsuru-base: use cmd/testing instead of testing
cmd/tsuru: use cmd/testing instead of just testing
testing: delete transport stuff
Revert "cmd/tsr: read configuration file in main"

It breaks the build.

This reverts commit dc4a5337b8a72335330ed29e750a11ff4f78f22b.