RFC: Functions, not sessions in 2.0 (#20)
RFC: Functions, not sessions in 2.0 (#20)

* RFC: Functions not Sessions in TensorFlow 2.0

* Formatting tweaks

* Formatting tweaks

* Fix some links

* Fix the "Status" column

* Incorporate some suggestions.

* Shorten the autograph example

* Correct autograph link.

* Additional details on Trace Caches and Input Signatures.

* s/tf.defun/tf.function/

* Collapse tf.method and tf.function.

(Prototyped in
https://github.com/tensorflow/tensorflow/commit/84ace0358526bb51c04a3bef4b3072b93b9d1bec)

* Fix typo

* Formatting tweak

* Fix typo

* Update note on tracing twice.

tensorflow/community,tensorflow/community,tensorflow/community,tensorflow/community,tensorflow/community