oauth2: Rename exchange code to authorization code

[jbd, 2014-08-17 02:32:31]

Spec talks about an authorization code, not an exchange code.

[bradfitz, 2014-08-17 03:48:32]

https://codereview.appspot.com/129310044/diff/1/example_test.go
File example_test.go (right):

https://codereview.appspot.com/129310044/diff/1/example_test.go#newcode38
example_test.go:38: var authorizationCode string
these are fine since they're just examples and educational

https://codereview.appspot.com/129310044/diff/1/oauth2.go
File oauth2.go (right):

https://codereview.appspot.com/129310044/diff/1/oauth2.go#newcode161
oauth2.go:161: func (c *Config) NewTransportWithCode(authorizationCode string)
(*Transport, error) {
this is very long. can this be just code?  you can keep authorization code in
the English above.

https://codereview.appspot.com/129310044/diff/1/oauth2.go#newcode196
oauth2.go:196: func (c *Config) Exchange(authorizationCode string) (*Token,
error) {
this is very long. can this be just code?  you can keep authorization code in
the English above.

[jbd, 2014-08-17 04:22:45]

https://codereview.appspot.com/129310044/diff/1/example_test.go
File example_test.go (right):

https://codereview.appspot.com/129310044/diff/1/example_test.go#newcode38
example_test.go:38: var authorizationCode string
On 2014/08/17 03:48:32, bradfitz wrote:
> these are fine since they're just examples and educational

Acknowledged.

https://codereview.appspot.com/129310044/diff/1/oauth2.go
File oauth2.go (right):

https://codereview.appspot.com/129310044/diff/1/oauth2.go#newcode161
oauth2.go:161: func (c *Config) NewTransportWithCode(authorizationCode string)
(*Transport, error) {
On 2014/08/17 03:48:32, bradfitz wrote:
> this is very long. can this be just code?  you can keep authorization code in
> the English above.

Done.

https://codereview.appspot.com/129310044/diff/1/oauth2.go#newcode196
oauth2.go:196: func (c *Config) Exchange(authorizationCode string) (*Token,
error) {
On 2014/08/17 03:48:32, bradfitz wrote:
> this is very long. can this be just code?  you can keep authorization code in
> the English above.

Done.

[bradfitz, 2014-08-17 04:29:15]

LGTM

[jbd, 2014-08-17 05:32:35]

Submitted as 3a5e8819eb8f6d714a50f2290b6ef7c4c09eac5a.