relationship tests
Completed User, Micropost and Relationship validations
email on signup an used letter-opener gem
minor modifications
minor modifications
photo upload and comment on articles using polymorphism
photo upload and comment on articles using polymorphism
photo upload and comment on articles using polymorphism
modification in access to delete photos
modification in posting blank comments and changing hidden fields
changes in user interface
resolved confilcts and minor code changes
resolved confilcts and minor code changes
Merge branch 'master' into polymorphism

Conflicts:
	.gitignore
	Gemfile
	Gemfile.lock
	app/assets/stylesheets/scaffolds.css.scss
	app/controllers/microposts_controller.rb
	app/controllers/sessions_controller.rb
	app/controllers/static_pages_controller.rb
	app/controllers/users_controller.rb
	app/helpers/sessions_helper.rb
	app/models/micropost.rb
	app/models/user.rb
	app/views/layouts/_header.html.erb
	app/views/microposts/_micropost.html.erb
	app/views/microposts/show.html.erb
	app/views/sessions/_form.html.erb
	app/views/shared/_feed_item.html.erb
	app/views/shared/_micropost_form.html.erb
	app/views/shared/_user_info.html.erb
	app/views/static_pages/home.html.erb
	app/views/users/edit.html.erb
	app/views/users/show.html.erb
	app/views/users/show_follow.html.erb
	config/environments/development.rb
	config/routes.rb
	db/schema.rb
	spec/models/relationship_spec.rb
deleted unwanted js files and code fixes
deleted unwanted js files and code fixes
Merge pull request #1 from aghosh47/polymorphism

Polymorphism