- initial commit of QTinNS project

- initial commit of QTinNS project
- added basic verision of the QTinNS editor
- added zlib compression tools
- added not fully functioning vfs_tool (an older command line version of the GUI editor)
- added a prototype for dat file parsing (just for testing if it can be done that way)
- added full At based version of a class handling Neocron VFS/PAK files
- added cmake module for adding Irrlicht to the project
- added cleanup script for cleaning up of in-source build (out of source builds are not working yet)

! French language is missing (sorry, I had to learn Latin in my youth)
! patches and corrections will be accepted, but this repo will stay read only for now