minor updates
Merge branch 'master' of https://github.com/purple-martins-2013/live-together into grocery-items-update
uniqueness added for grocery_item with 1 test and flash notice
index migration
grocery list flash notice and proper redirect. add 1 test. remover errors loop from list form since flash notice used
add test not to increase count when duplicate item or list added
Merge branch 'master' of https://github.com/purple-martins-2013/live-together into add-uniqueness

Conflicts:
	db/schema.rb
change flash notice to flash alert, remove extra enters
Merge pull request #23 from purple-martins-2013/add-uniqueness

Add uniqueness