database stuff, added availability date, added sold out notice
sold out div formatting and cleanup
added gradient to floorplan header
sold out notice on floorplan show page and validations
set default image sizes for search page
updated welcome page icons
button styling
validations, no city icons, availability date, and image upload stuff

* search-page-ajax:
  button styling
  updated welcome page icons
  set default image sizes for search page
  sold out notice on floorplan show page and validations
  added gradient to floorplan header
  sold out div formatting and cleanup
  database stuff, added availability date, added sold out notice