Type VII control rrom depth meter indicator reverted to vanilla.

Steering GUI background fix.

Map clock sprite exchanged.

Type II towerclock pointer fix

Minor pointer updates. Type VII engine telegraph minor update.

Shipclock pointer update and variation.

Shipclock and Siemens logo heightmap fix.

Big ship clock update (varied per shiptype). Minor fixes.

Minor fixes.

-Small gauge in type VII conning tower fixed. -Illumination added on diesel rpm meter -Illumination added on electric amper meters -Echosounder updated. All ship types has it's own skin. -Code and memory usage optimizations