use vendor/ instead of Godep/, update some sources

Godeps/Godeps.json

Godeps/Readme

Godeps/_workspace/.gitignore

...ace/src/code.google.com/p/go.crypto/pbkdf2/pbkdf2_test.go

...ace/src/code.google.com/p/go.crypto/scrypt/scrypt_test.go

...space/src/code.google.com/p/go.text/unicode/norm/Makefile

...ode.google.com/p/go.text/unicode/norm/composition_test.go

...de.google.com/p/go.text/unicode/norm/example_iter_test.go

...c/code.google.com/p/go.text/unicode/norm/forminfo_test.go

...e/src/code.google.com/p/go.text/unicode/norm/iter_test.go

...e/src/code.google.com/p/go.text/unicode/norm/norm_test.go

.../code.google.com/p/go.text/unicode/norm/normalize_test.go

...src/code.google.com/p/go.text/unicode/norm/normregtest.go

...code.google.com/p/go.text/unicode/norm/readwriter_test.go

.../code.google.com/p/go.text/unicode/norm/transform_test.go

...space/src/code.google.com/p/portaudio-go/portaudio/README

...code.google.com/p/portaudio-go/portaudio/examples/echo.go

...de.google.com/p/portaudio-go/portaudio/examples/enumerate

...google.com/p/portaudio-go/portaudio/examples/enumerate.go

...oogle.com/p/portaudio-go/portaudio/examples/fidelity.aiff