wip
Add migrations.
Add tag migration.
Set Tag and Item Model Associations.
Add Tag function to Item Edit.
Add Tag function to Item create
Implement Tags show action.
Implement Tag function.
Add web hook setting for travis.
change composer.json.
Implement tag suggest function.
Add tag function to templates.
Add tag test cases.
update readme
Merge pull request #6 from fortkle/item_tags

Item Tag