[tex-live] TL15: luatex and \pdftexversion

[Alexander Grahn]

Why is this version number regression from 240 to 80 in TeXLive-2015:

TeXLive-2014:
=============

$ luatex
This is LuaTeX, Version beta-0.79.1 (TeX Live 2014) (rev 4971) 
 restricted \write18 enabled.
**\message{\the\pdftexversion}
200

TeXLive-2015:
=============

$ luatex
This is LuaTeX, Version beta-0.80.0 (TeX Live 2015) (rev 5238) 
 restricted \write18 enabled.
**\message{\the\pdftexversion}
80

Alexander