Proxima Beach 1.6.0

This new version introduce few modifications:

• change fuel island camera position
• Home layer becomes Building
• add rocks
• add buildings
• re-align roads on terrain
• re-set ViewDistRatio on roads
• create terrain specificity (bosses) on the fuel island
• mer_sound rename to sea_sound
• add Proxima_Pack (equipment)
• rename Proxima_Mission (mission)
• apply Proxima_Pack on game startup
• add drivers near all vehicules (car and heliport)