19 April 2015
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This is a new version of xlogin, originally based on xlogin-1beta4 from
http://www.jonshouse.co.uk/xlogin.cgi

Changes:
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- Running with full authentication is now supported. "-ac" is still
  supported but not required.
- xlogin-rootjpeg does not depend on libjpeg anymore. It uses
  stb_image.h instead, and it can resize image on the fly to fit
  screen resolution thanks to stb_image_resize.h.
  Multiple versions of images is neither required nor supported.
- Misc. fixes - e.g. now supports running xterm from within launched
  screen.
- xlogin-parse.c is removed and is replaced by a simple strcmp
  loop over argv. This is for all applications.
- xlogin-readid is built by default but not installed by default.
- Code are re-stylised to make it more compact, and tab width set at
  4 chars each.
- Makefile is provided for building. Assumes Xorg installed in /usr.
  
All the other functionalities still work as per original.

License:
-------
Jon gave the freedom to change downstream license.
As such, I choose to re-license this work under GNU GPL version 2 or later.

James
