added star icon
added featured column to games
added default to featured column
display star icon for featured games
add link around game thumb
added featured category game model
added featured model association to category and game
text shadow styling on header links
notice styling
updated welcome controller variables
game image on show page is edit link for admin
added game form styling
styling and updated game form

* achievements:
  added game form styling
  game image on show page is edit link for admin
  updated welcome controller variables
  notice styling
  text shadow styling on header links
  added featured model association to category and game
  added featured category game model