Update to OkHttp 3.4.1

Update to OkHttp 3.4.0.

Skip a UTF-8 BOM if present for the Moshi converter.

Use string converter for String type.

Unlike RequestBody and ResponseBody which are library types that must be handled by default, String is a platform type and we want to ofer the flexibility of doing things like using annotations to transform the contents.

fixed test to not rely on serialization order

Fix test to not rely on the order

Propagate @JsonQualifier annotations to Moshi.

Update .gitignore

Eagerly catch malformed content type headers.

Update okhttp to 3.3.0

Update to latest okhttp release.

Remove the misleading stack trace of the fake network exception.

Honor the encoding of the response in XML deserialization.

Switch to consumer ProGuard rules which aren't insane.