remove redundant code
fix controller and add missing controller spec
gadet list spec
extract sign in method to helper
sign in user and visit gadgets
create gadgets table
gadet model
Gadgets routes
gadget model spec
gadgets controller spec
gadgets controller
display user gadgets
click Gadgets link spec
gadgets and profile links in menu
upload gadget image spec
add carrierwave gem
init gadget_images uploader
uploader class spec
uploader spec
test uploader