changed record editting
minor error fix
Merge branch 'master' of https://github.com/PostechAlumni/home
added Postag statistic/recommendation
added Postag statistic/recommentdation
Merge branch 'master' of https://github.com/PostechAlumni/home

Conflicts:
	app/views/users/new1.html.erb
changed something for debug
Merge
fixed recommendation feature, not to recommend who's cards have been already kept
Merge branch 'master' of https://github.com/PostechAlumni/home
fixed errors
Merge branch 'master' of https://github.com/PostechAlumni/home
Merge branch 'master' of github.com:PostechAlumni/home
cert done