will_paginate and better scope for photos controller
use hstore to store all exif data on save
show photos count on index
show photo camera on photo#show
dont raise on camera if coordinates fail
sibling scope
extract keywords and tags
fix typo
return self if not a valid UserComment
scaffold Keyword and create HABTM relationship
photo.set_keywords after_save
scaffold Tag and create HABTM relationship
Merge branch 'photo_tags'

Conflicts:
	app/models/photo.rb
	config/routes.rb
	db/schema.rb
change scope of tag name uniqueness