Added css for the goal index page
Changed user layout into goals layout
Added a current user method
Added current user and user goals getters for the goals index page
Changed login routes to go to the goal index page
Changed user create routes to go to the goal index page
goal index page now displays current user goals and has some css
changed image names
rake yolo and session view
rakefile, seeds and routes updated
css edited
about controller and view edits
controller edits
view edits
fixed logout routes on several pages, added user-sensitive goal display on homepage
added new logo to images
goals view layout and controller modified
welcome layout and views updated
formatted signin box and changed logo image
Merge branch 'master' of https://github.com/mkirlin/levelheaded into duke-sat

merging duke-sat with origin master