Add attr_accessible to Contact model
Add to_s to Contact model
Add favorite column to contacts table
Implement favorite and unfavorite for contact
Move favorite and unfavorite to favorites controller
Change link color
Adjust margin
Add edit to contacts controller
Validate in edit for contact
Fix margin of main container
Fix proc syntax
Adjust pagination style
Improve edit link of contacts
Add new to contacts controller
Use nav.operations style
Place pagination on top
Add return link to contact form
Add ToDo list
Add packings controller
Add packing model