Vanilla LF2 + Custom AIs + Multiserver Support + Custom Survivals

• Add existing good ais to the project.
• Add new survival options.
  • Figure how lf2 handles stage ids using CE.
  • Figure how Som1Lse's dll project works.
    • Convert codeblocks project into cmake.
  • Figure how lf2 menu code works.
  • Change lf2 menu code with dll.

• Multiserver plugin.

• AI files with names corresponding to ID numbers of respective chars.

• Silent wma files.

• ad*.txt files are emptied.
• stage.dat is being remade.

• No changes.

• No changes.