Code optimization for item_category
リマインダデザイン適用　refs #12171
Merge branch 'development' of ssh://svn.webimpact.co.jp/home/git/AOKI_EC into development
Code optimization fpr template _form of item_category
Fixed item/attribute_edit page no value will show error problem
Fixed attribute_edit problem again
Extend common.js to apply button color
Change js code logic