Add ability to change index state based on user session logged in/out status and requisite buttons.
Merge Josh's changes on branch 'generator' with my changes on vv-test
Make signed in user name show up in nav to access profile and log out.
Add password reset, new user sign up, with requisite model controller mailers
Add password reset, new user sign up, with requisite model controller mailers
Merge branch 'vv-test' into staging to amend last commit.
change wording on login page