added validation of element content
changed path when clicking slide to go to edit slide path
added simple grid system css
added more divs and classed to edit slide page
changes to edit-slide css file.
Added div around yield in application.html.erb
Added js to show and hide menu element on edit page
deleted comments from slides_controller
deleted slide_controller file. wrong spelleing
deleted homepage link from user profile page
added some styling to profile page
Merge pull request #61 from eigilsagafos/save_background_color

Save background color