add user admin feature test
add kaminari
update Gemfile
提取出table组件
add data-table
merge
quickfix for table attrs_configs not exists error
Merge branch 'master' of github.com:mindpin/eshare into menxu/dynamic_attrs

Conflicts:
	Gemfile
	spec/features/admin/can_import_excel_file_to_create_users_spec.rb
fixing test
made test pass