Adds landing page for unauthenticated users, does not include styling.
Replaces small logo with full logo.
Styling for landing page, adds guitar image, signup button, etc.  Still in progress
Added student functionality
fixed merge conflicts
linked payments to students
fixed payment_controller
fixed merge conflicts
Edits background image and sets z-index for elements at top of page
Changes app features section into three column layout, adds padding to footer
Changes app-features text from white to black, adds padding to ul li elements
Adds section dividers for landing page css.
Begins styling of three column layout for app features.
fixed contacts controller bug
added basic styling to students, modified contact ajax, ajaxified request creation
added lesson/students view to dashboard, fully ajaxified
added logout button to user_info in dashboard
Adds app images to landing page, removes feature lists from each app and adds single sentence explanation of each main app feature (dashboard, lesson, and finance).
merge with the current state of master
Adds app screenshots in macbook air psd files
Changes landing page font, slight change to lesson image, general formatting adjustments