show ingredients of a recipe
bug fix.
todo: refactor abstract class
Merge branch 'master' of
https://github.com/gundermann/SmartKichten_Ingredients.git

Conflicts:
	Smart_Kitchen_Ingredients/src/de/nordakademie/smart_kitchen_ingredients/collector/IngredientCollectorActivity.java
	Smart_Kitchen_Ingredients/src/de/nordakademie/smart_kitchen_ingredients/collector/RecipeCollectorActivity.java