Moved ObjectPlayer2* creation to run through the network.
Added alter_gold() and check of the amount.
Added a warning/todo.
Moved tile check on player 2 build to set_tool(), removed unused player2_build_tower().
Added tile_statuses[] to lock a specific tile, added code to use this lock.
Fixed map and tile_statuses definition.
Removed default test towers.
Added automatic gold gain every 5 seconds, added debug messages to alter_gold()
Altered costs of towers.
Added locked tile marker, added the display of locked tiles.
Fixed tile lock issue with no money.