add calendar schedule png as placeholder for schedule, add datepicker js, create sessionhelper for user login, create login form
create div within section appointments for login and calendar views
create index method in users controller
add login in text to calendarInfo div
add bcrypt gem and bundle install
rename column password_hash to password_digest
fixed application.js and application.css, and reorganized the js and css files in the asset pipline
create users' login and signup
Merge pull request #25 from roberttaraya/user-login

User login