Implementing Gunan's suggestions to the RELEASE.md file. Including missed changes in 1.0 docs.
Implementing Gunan's suggestions to the RELEASE.md file. Including missed changes in 1.0 docs.

manazhao/tf_recsys,manazhao/tf_recsys,manazhao/tf_recsys,manazhao/tf_recsys,manazhao/tf_recsys,manazhao/tf_recsys,manazhao/tf_recsys