created Lookbook model
installed and used annotate bundle
added name validation to lookbook model
added debug to app layout
generated lookbooks controller
started on lookbook show page
fixed lookbook routes and background image
lookbook urls
created LookbookImage model
added associations between lookbooks and lookbook_images
added validation to lookbook_image
initial work on lookbooks/show with img get variable
added Admin model
created Admin controller
updated Admin model with validation and password encryption
added session controller and login form
handle invalid admin login
handle valid admin login
admin logout
merged admin branch into lookbook branch