Move ads into StartScreen
Set Shopping's Recent Entries to weekly
Merge branch 'master' of https://github.com/piaw/nutrition1

Conflicts:
	NutritionTracker/NutritionTracker/app/src/main/res/layout/activity_food_entry.xml
Merge pull request #26 from piaw/master

DAILY_SHOPPING->WEEKLY_SHOPPING. Ads now in start screen.