Merge remote-tracking branch 'origin/38-pot-and-stove-and-cooking-tomato-soup' into 38-pot-and-stove-and-cooking-tomato-soup

# Conflicts:
#	overcooked_simulator/pygame_gui/pygame_gui.py

Resolve "Can put tomatos on returned plate"

Closes #34

See merge request scs/cocosy/overcooked-simulator!8

Merge remote-tracking branch 'origin/34-can-put-tomatos-on-returned-plate' into 34-can-put-tomatos-on-returned-plate

# Conflicts:
#	overcooked_simulator/pygame_gui/pygame_gui.py

Merge remote-tracking branch 'origin/34-can-put-tomatos-on-returned-plate' into 34-can-put-tomatos-on-returned-plate

# Conflicts:
#	overcooked_simulator/counters.py

changed pick_up method to return the item in the players hand. Plates are now stackable on the PlateReturn. occupied by is now a list in the plate return

Added GameScore class to keep track of game score. Currently just by serving things in the serving window

Resolve "Can push other players around"

Closes #35

See merge request scs/cocosy/overcooked-simulator!9

# Conflicts:
#   overcooked_simulator/overcooked_environment.py

Resolve "Fix warnings and code style resulting from #25"

Closes #33

See merge request scs/cocosy/overcooked-simulator!7

# Conflicts:
#	overcooked_simulator/main.py
#	overcooked_simulator/pygame_gui/pygame_gui.py

Cleaning up the gui

Resolve "ROOT for easy file loading"

Closes #24

See merge request scs/cocosy/overcooked-simulator!4

# Conflicts:
#   overcooked_simulator/main.py

Resolve "Interaction with objects"

Closes #8

See merge request scs/cocosy/overcooked-simulator!3

added testing for pickup, cut tomato

Added a cutting-board-counter which can process cuttable items.
A player can hold the interact key for the cut process to progress.
Tied to simulator frequency.