fix upload

rename from image to photo uploader, change scale to resize_to_fit.
added it to form and index now it works
update user

updated user uploader and user show page to display user avatar
added nav bar

edit nag bar w/working links.
show lay out

i think i found a show layout for product
edit the length by using center on row
added item controller

Added a item controller, now I have to get my items to upload