implement image upload via carrierwave
add initializers and image directory
remove test images
tell git to ignore images
Alphabetize Gemfile, remove uneeded post specs, and set file storage specs.
set up fog in carrierwave initializer
refactor carrieriwave initializer
Merge branch 'master' of github.com:AimeeKnight/squmblr-1 into AimeeKnight-master

* 'master' of github.com:AimeeKnight/squmblr-1:
  refactor carrieriwave initializer
  set up fog in carrierwave initializer
  Alphabetize Gemfile, remove uneeded post specs, and set file storage specs.
  tell git to ignore images
  remove test images
  add initializers and image directory
  implement image upload via carrierwave

Conflicts:
	.gitignore
	Gemfile
	Gemfile.lock
	db/schema.rb
Merge branch 'AimeeKnight-master'

* AimeeKnight-master:
  refactor carrieriwave initializer
  set up fog in carrierwave initializer
  Alphabetize Gemfile, remove uneeded post specs, and set file storage specs.
  tell git to ignore images
  remove test images
  add initializers and image directory
  implement image upload via carrierwave
Temporarily switch development to use filesystem storage.