[release] 1.3.7 for TF1.0

release 1.3.5

Release 1.3.4

release 1.3.3

release 1.3.2

release 1.3.1

[layers] gaussian noise layer/ v1.3.0

Merge pull request tensorlayer#43 from sczhengyabin/sczhengyabin-patc…

…h-model_restore_speedup

Update files.py, speed up model saving and restoring process.

Merge pull request tensorlayer#24 from Yugnaynehc/Yugnaynehc-patch-fi…

…x-cost-typo

[docs] Fix type of tl.cost.cross_entropy,  tl.cost.binary_cross_entropy and dropneuro.

release 1.2.6