testing GH assets for MPI

Oops, I put my assets folder in the wrong directory.

Gfx update for Toon World textures and map props.

File cleanup, fixed spelling errors, fixed render errors and warnings in the console, added missing mesh for the jupiter rocket, corrected spelling error which prevented the player from building the dual canon bulldog.

Tweaked Scion Rocket Tower sounds to stock sound, some people complained it was ear rapey. Added in Toon Gun Tower asset to the game, made by Palestinian Unicorn. Have not added it to any Toon World maps yet.

Corrected Sonic Warrior odf, unit is now unsnipeable. Added Dual Canon Bulldog to ISDF human build tree. Corrected Scion Beam Mauler name.

Fixed spelling error in AIP.

Changed the loadout of the 2nd variant mauler. Added in a Level 2 Aegeis AIP.

Tweaking Scion AIP. Added new Mauler type.

Added missing base direction AIP command to the rest of the plans. Added more stock MPI maps: Mars, Rend, Quarry, and the The Rocks.