Changes to IngredientModel and dialog boxes in MyPantry.
Merge branch 'master' of https://github.com/kylejamesross/CMPUT301W13T09.git
Dialogbox now edits ingredients and Changes to IngredientController and
IngredientModel
Edited so spinner goes to right position when editing an ingredient
Changes so that blank name and quantity dont break editing an ingredient
and creating a ingredient. also added a textview to the addnewingredient
xml file