DEMO Hotfix 0.1.3

Some hotfixes for the current demo -Fixed an issue that prevented to resume playing after resting -Fixed typos in the tutorial -Stones now display properly when snowing -Fixed a house which interior was covered in snow whenever it was snowing -Fixed an issue that prevented the player from selecting Bersic's first activity with the mouse at the resting screen -Fixed an issue when using the sling with Sean that made the arm clip through the screen Will continue polishing and fixing