ホーム画面の追加
ログイン、サインイン後に自分のユーザーページに飛ぶようにした
ログイン、サインイン時の左バー削除
Merge commit 'ca16f44ec649f3d7d47763fd832a87b67303d0d0'

Conflicts:
	app/views/layouts/application.html.erb
	log/development.log
	tmp/cache/assets/development/sprockets/13fe41fee1fe35b49d145bcc06610705
	tmp/cache/assets/development/sprockets/2f5173deea6c795b8fdde723bb4b63af
	tmp/cache/assets/development/sprockets/d771ace226fc8215a3572e0aa35bb0d6
	tmp/cache/assets/development/sprockets/f7cbd26ba1d28d48de824f0e94586655
	tmp/pids/server.pid