Styled login screen with custom phone # input interaction.
Styled button, added link, and realigned views on Login.
Force the keyboard to show when user has dismissed it but has touched an input field (otherwise it stays hidden b/c we've overridden onTouch)
Hide highlight color on login fields for more consistent experience.
Fix showing keyboard on Login again so it hides when the events activity shows up.
Give active state style to login textfield.