Development moved to GNU arch

Development of libkdtree has moved to GNU arch. It is now
available as category libkdtree--main--0 from the following archive:

madduck@arch.madduck.net--2005-coding
http://arch.madduck.net/~madduck/pub/2005/coding

The tree may be viewed online at
http://arch.madduck.net/cgi-bin/archzoom.cgi/madduck@arch.madduck.net--2005-coding/libkdtree--main--LATEST--LATEST