add follow/unfollow func.
add follow/follower count module
add follow/unfollow func with validation
add follow/unfollow function with test
Merge pull request #42 from himaratsu/master

フォロー機能を追加！
create mypage
func name changed. is_following => is_following?
create user_movie_state model
Merge pull request #45 from himaratsu/master

マイページ追加 + Follow/Unfollowに論理削除導入 ほか
Merge branch 'master' of https://github.com/paranishian/movielog

* modified sort test

Conflicts:
	app/models/movie.rb
	config/routes.rb
	db/seeds/development/movies.rb