Serializing to json immediately in JsonTypedBytes constructor.

Serialize HTTP request params on main thread

Building RestAdapter requests on the main thread to avoid potential concurrent modification during request serialization.

Log the api url for failed requests

Moving header construction back to bg thread

Stops bad behavior

Doc tweaks

Update to GSON 2.1

Removing preInvoke and constructing headers on the main thread

Adds an int statusCode parameter to clientError and serverError.

* origin/injectable-gson:
  Review tweaks.
  Makes the gson instance Guice injectable rather than hard coding it. Clients will have to discover the just-one-gson optimization on their own.

Clients will have to discover the just-one-gson optimization on their own.

Also some tweaks for IntelliJ 11.

JSON request entity support

Adding a preInvoke callback for right before http call is being made.

Fixes failure to transmit interesting unicode characters

by specifying HTTP.UTF_8 in UrlEncodedFormEntity.

Improve Retrofit http logging

Write header before truncating QueueFile

Allow Server extensions; improved FilesTest

Logging unexpected errors in RestAdapter.

Repackage gson into retrofit.internal.gson