Added Wit Button Functionality

"Senpai changes." Wit button now understands and initiates the
corresponding functions for next, previous, and repeat step. Minor bug
fixes.
Merge remote-tracking branch 'origin/master'

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