generate model for item
add validation tests
add more tests/implement data validation
remove schema for confliction
Merge pull request #18 from dglunz/item-model-testing

Item model testing
add validation tests for categories and item/category association
implement category model and category/item relationship
Merge pull request #20 from dglunz/model-category-and-items

Model category and items
Add basic user authentication views
WIP authentication feature
Ignore schema db to prevent merge conflicts
Update model to allow blank display name
Add feature to test login / logout path
Update schema.db
Add factory girl rails
Create a user factory
Cleanup ruby style
Get all basic authentication features passing