add and generate carrierwave

gem 'carrierwave'
bundle install
rails generate uploader Cover
start carrierwave coding. Currently broken

gem 'carrierwave'
bundle install
rails generate uploader Cover
rails g migration add_cover_to_books cover:string
rake db:migrate
Book  mount_uploader :cover, CoverUploader
make carrierwave work

gem 'rmagick'
sudo apt-get install libmagickwand-dev
http://stackoverflow.com/questions/3894225/imagemagick-rmagick-cant-install-rmagick-2-13-1-cant-find-magick-config
CoverUploader
  thumbs to 180×235
  include CarrierWave::RMagick
book show image_tag
book _form add image file_field and remote_image_url
whitelist file extensions
BooksController params :cover, :remote_cover_url
TODO : test coverage, decide about VC of public/uploads
ignore carrierwave image uploads
Merge branch 'master' into carrierwave

Conflicts:
	app/models/book.rb
	db/schema.rb
schema merge
add test cover and add cover to Factory.book
add note for validating Book.cover presence
refactor controller update methods

pulled up the respond_to stuff into ApplicationController
respond_to_update
respond_to_create
respond_to_destroy
need to be refactored together.
add note in README re rmagick dependency
make books taggable

rake acts_as_taggable_on_engine:install:migrations
rake db:migrate
Book acts_as_taggable # Alias for acts_as_taggable_on :tags
BookController params.permit :tag_list
complete dependencies notes in README
added changes to GemFile for OSX bug
complete merge
add libpg-dev dependency to README, closing (#73)
updated readme
Merge branch 'nbirnel-carrierwave'
Merge pull request #71 from nbirnel/smell2

refactor controller update methods
fixed README.md
Merge pull request #74 from Mattsface/master

Updated carrier wave branch