RFC: Standardizing Composite Operations In TensorFlow (tensorflow#113)

*  RFC proposal on standartizing composite operations in tensorflow.

* RFC: Standardizing Composite Operations In TensorFlow

* typo fix

* Update 20190610-standartizing-composite_ops.md

typo fixes

* Update rfcs/20190610-standartizing-composite_ops.md

Co-Authored-By: Mehdi Amini <joker.eph@gmail.com>

* Update 20190610-standartizing-composite_ops.md

* Update 20190610-standartizing-composite_ops.md

* Update 20190610-standartizing-composite_ops.md

* Fixes type in file name