styling, kaminari, profile page tests

* installed kaminari for viewing journal entries - not yet implemented
* tests for profile graphs passing
* added edit user account information page
fixed line graph hover issue

* when hovering, proper popups appear over each marker now
  * had to reverse order that graph data was being put into array
edit/delete virtues functionality working - needs testing

* added user authorization in necessary controllers via devise
front end styling - MAJOR

* logo and colors established
* removed the 7 day requirement for finding virtues for demo purposes