Squashed 'libs/login/' changes from 3b1db07c38..5a21797a03

5a21797a03 Merge pull request #23 from wordpress-mobile/merge/woocommerce-android/1224-amanda-new

git-subtree-dir: libs/login
git-subtree-split: 5a21797a0330b1551814a8a9298c5f601c0ca42b

Author: AmandaRiu