small waitUntil optimizations

we probably don't need per frame checks in these cases
using switch for lazy evaluation
small optimizations

- replaced misuse of count with forEach
- replaced nested if with switch
Update fn_ServerInit.sqf
Update fn_ServerInit.sqf
Update fn_initialiseFreqModule.sqf
updated debug mission files
reverted false include path
added my name to the contributers
Merge pull request #405 from lukrop/master

Some optimizations