[FA]{test before code} I68 - item switching

#68
Test before code.
[FA]{test after code} I68

#68
Implemented item switching in Entity.
[FA]{issue} I68 - item switching

Closes #68
-added button for item switching
-removed standart movement scheme
-added second table to PlayScreen Hud for the right side of the hud
(menu + interaction buttons)
Merge remote-tracking branch 'origin/fadler_dev' into vadler_dev