Changes to moveable slot names between meta2tr v6 and v7.

  Moveable    |    Moveable      
 name in v6   |   name in v7
--------------+--------------------- 
FISH          |  LOCUST_EMITTER
EXTRA_SLOT08  |  PANEL_BORDER
EXTRA_SLOT09  |  PANEL_MIDDLE
EXTRA_SLOT10  |  PANEL_CORNER
EXTRA_SLOT11  |  PANEL_DIAGONAL
EXTRA_SLOT12  |  PANEL_STRIP
EXTRA_SLOT13  |  PANEL_HALF_BORDER1
EXTRA_SLOT14  |  PANEL_HALF_BORDER2
EXTRA_SLOT15  |  PANEL_MIDDLE_CORNER
EXTRA_SLOT16  |  TIGHT_ROPE
EXTRA_SLOT17  |  LASER_HEAD
EXTRA_SLOT18  |  LASER_HEAD_BASE
EXTRA_SLOT19  |  LASER_HEAD_TENTACLE
EXTRA_SLOT20  |  HYDRA
EXTRA_SLOT21  |  HYDRA_MISSILE
EXTRA_SLOT22  |  ENEMY_SUB_MARINE
EXTRA_SLOT23  |  ENEMY_SUB_MARINE_MIP
EXTRA_SLOT24  |  SUB_MARINE_MISSILE
EXTRA_SLOT25  |  FROG_MAN
EXTRA_SLOT26  |  FROG_MAN_HARPOON
EXTRA_SLOT27  |  FISH_EMITTER
EXTRA_SLOT28  |  KAYAK
EXTRA_SLOT29  |  KAYAK_LARA
EXTRA_SLOT30  |  CUSTOM_SPRITES
EXTRA_SLOT31  |  BRIDGE_TILT3
EXTRA_SLOT32  |  BRIDGE_TILT4
EXTRA_SLOT33  |  BRIDGE_CUSTOM

To make the moveables in the left column compatible with meta2tr v7, rename them with the name in the right column.