add FormatDefinition model

Conflicts:
	lib/models.rb
add model spec
refactor RSS reader class to meet general needs
clean accessors
add sinatra auto reloader
add index page
add format_definition_index
add basic form
add jquery for forms and stuff
fix view
implement /api/format/definition/new
fix path for views
split gui and api
move jquery.js to public/ folder
add TODO
implement basic index api call
add deletion method for format_definitions
rename views folder
move public folder to public_gui
fix path