Merge pull request tensorflow#12342 from jart/r1.3-tensorboard-notes

Add TensorBoard to 1.3 release notes

Merge pull request tensorflow#12013 from tfboyd/grappler_off_branch

Make layout optimizer_test manual due to Grappler being off in the r1.3 branch.

Merge pull request tensorflow#11794 from av8ramit/update_version

Update version to rc1.

Merge pull request tensorflow#11616 from av8ramit/1.3rc0-relnotes

Updating the RELNOTES for 1.3.0rc0.

Merge pull request tensorflow#11156 from av8ramit/1.2.1

Updating release.md.

Merge pull request tensorflow#10710 from av8ramit/fix_numpy

Avoid upgrading tensorFlow dependencies when running windows tests. (…

Merge pull request tensorflow#10448 from av8ramit/rc2

Updating tag to 1.2.0-rc2.

Merge pull request tensorflow#10225 from gunan/relnotes

Announce upgrade to cuDNN 6.0.

Merge pull request tensorflow#10048 from av8ramit/cherrypicks

Seal learn_runner.

Merge pull request tensorflow#9351 from av8ramit/cherrypicks

TensorBoard Cherrypick