Fix save_food_in_pantry() to save food with session user-id
  -also fix formatting
Change indentation in new_food.php
Fix Database_handler() call in new_recipe.php
Make readme to explain branch
Merge branch 'login-hotfix' of https://github.com/Hank-Roughknuckles/meal-planner into feature
Replace liberal instances of USER_ID with logged in user's ID
Modify readme for merge into feature branch
Merge branch 'login-hotfix' into feature

Conflicts:
	new_food.php
	new_recipe.php
Fix syntax error in new_food.php