Multiple improvements to the Scons interface:
Multiple improvements to the Scons interface:

* Sets the path of the .sconsign.dblite file to the same directory as the
  generated source files. It was being placed in the current directory
  without the change.

* Also eliminated the rest of the hardcoded path separators with "os.path.join".

* Removed the backslash inside a raw string (you can't use it this way inside a
  raw string as we previously discovered) which was ending up inside the resource
  file.

wfxiang08/Nuitka,wfxiang08/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka,tempbottle/Nuitka,tempbottle/Nuitka,wfxiang08/Nuitka,tempbottle/Nuitka,tempbottle/Nuitka