Rename migration to use integer migrator for rollback
Add unique index for category key
Fix typos and complement the association of Group
Show 3-ways mapping table in /tisa
centralize table
embed css in slim to adjust the table
Show categories in order of id
Could not add unique index on key of categories in current situation
Shows up all categories.
Merge pull request #112 from shelling/master

修正 I301010 資訊軟體服務業承諾內容錯誤