Login redirect to index
Add link for logout
Merge pull request #8 from ptmccarthy/auth-improve

some fixes for signup/login bugs
Get username from authenticated session
Delete login.js, fix that dumb error message
Merge pull request #10 from ptmccarthy/view_rf

Login redirect to index
Merge pull request #11 from ptmccarthy/socket-auth

persistent sessions in the db
Update error logging statement
sockets now use session-based auth