Added house "The Yeah Beach Project", cheers @pitis91

• Moved some spawns to add the house
• Added the house
• Added missing sand details and house config
• Minor map fixes in Meriana

changes based on:
#1140
http://tibia.wikia.com/wiki/The_Yeah_Beach_Project
Merge pull request #1142 from xWhiteTiger/master

Added house "The Yeah Beach Project", cheers @pitis91