Added defines TICRATE, FRACBITS and FRACUNIT
Moved to STRUN to scripts, renamed

<AlexMax> can you move STRUN to scripts <AlexMax> and call it
zanrun.acs?
Further changed the file structure of the pk3

<AlexMax> create a luk subdir of scripts
<AlexMax> put constants and luk in it
<AlexMax> fix imports
<AlexMax> also, since we're on this track
<AlexMax> please rename stuff to be lowercase and have extensions
<AlexMax> also, why is sample.wad in the root?
<AlexMax> i want it in maps please :)