fix factory to get a new url every time
add select all with click to grocery list
fix merge conflict
Merge pull request #78 from purple-martins-2013/select_all_grocery_list

add select all with click to grocery list
fix recipe creation form validation display (instance variable as opposed to local)
fresh products
Merge branch 'master' of https://github.com/purple-martins-2013/foodomatic into select_all_grocery_list
Merge pull request #79 from purple-martins-2013/select_all_grocery_list

Select all grocery list
add martinos presentation
Merge pull request #80 from purple-martins-2013/add-martinos-presentation

add martinos presentation
move presentation in public
presentation update
minor tweaks
refactor controllers
Merge pull request #81 from purple-martins-2013/refactor-controllers

refactor controllers
move presentation in public
merge pres
Merge pull request #82 from purple-martins-2013/presentation-consolidation

Presentation consolidation
update slides
Merge pull request #83 from purple-martins-2013/presentation-consolidation

update slides