Break AppEngine support out of the core.

This isn't the final resting place, but non-standard integrations like this are not going to live in the core.
Fix usage of deprecated MimeUtil functions

Signed-off-by: Eddie Ringle <eddie@eringle.net>
Merge pull request #654 from eddieringle/er/fix-mime-deprecation-warnings

Fix usage of deprecated MimeUtil functions
RxJava 1.0.

(cherry picked from commit 298454e036351fc6690d425e24cbae2da26441f7)

Conflicts:
	pom.xml
Prepare version 1.8.0.

(cherry picked from commit dbf91444701def3e992f36073ea795431f046ec2)
Merge branch 'master' of https://github.com/square/retrofit
Use new central artifact redirect link.
Merge pull request #660 from square/jw/new-redirect-link

Use new central artifact redirect link.
Provide a setter to set strict mode to false
Updated strict to be final so that the converter isn't mutable
Add support for iterable headers.
Merge pull request #666 from square/jw/iterable-headers

Add support for iterable headers.
Optional @Field/@FieldMap URL-encoding.
Merge branch 'karlicoss-encode-field'
Merge pull request #636 from square/jw/break-app-engine-out

Break AppEngine support out of the core.
Merge pull request #1 from square/master

同步代码