CONTRIBUTORS: adding Alan Justino
AUTHORS, CONTRIBUTORS: fix files
CONTRIBUTORS: fix command to generate file
docs/install/client: add Mavericks note on homebrew instructions
log: logging debug only when flag is set to true
cmd/tsuru-admin/tsuru-admin: remove binary file
travis: use go tip
Makefile: use godep to manage dependencies

Let's see what happens :)

Closes #554.
Makefile: restore dependencies
Makefile: use godep to build tsr
Godeps: remove tsuru/action from godeps.json

See kr/godep#22.
travis: install vet before check-fmt
Godeps: update json file
travis: install godep
misc/build-server: use environment variable to define dest dir
misc/build-clients: use environment variable to define dest dir
travis: add $GOPATH/bin to $PATH

I dare it works.
travis: use $HOME/gopath/bin instead of $GOPATH
travis: use go 1.1.2

Bad things happened.
readme: drop travis