add smtp settings for mailgun  heroku add-on
attendee model
landing page view fixed
main.css landing image fixed
merged both authentications into a single auth service in angular
redirect to login from talk proposal ctrl
login views modified.
fuctions discriminated according to role in views
Merge branch 'attendee' of https://github.com/nodarsan/TenPinesConf into attendee
login views modified.
fuctions discriminated according to role in views
Corrected tests and routes
add home register page to give both option to sign up as speaker or attendee
renamed login speaker ctrl
add mailer for sending thank you mail after ticket prchase
payment ctrl now shows error messages in case of error
change payment form format
tested payment gateway and attendee users
login attendee tested
more login attendee tests
register attendee tests
views for register and login homes