Added UI and icon for landing page

Added UI, logo and icon for landing page. As well as custom font,
removed certain testing features.
Merge remote-tracking branch 'origin/master'

Conflicts:
	FeastBeast/app/src/main/java/com/example/feastbeast/NewRecipe.java
	FeastBeast/app/src/main/res/layout/activity_new_recipe.xml