LCR module drop-in for 0.9.x

LCR module for 0.9.x with database tables etc. This is the code found in the experimental code tree. Full functioning and mature.

Just drop the lcr directory into the modules directory of 0.9.x and make as always.

See README.DB for database table.

A PHP cli script ip2long is included for converting IP addresses to the the long int required by LCR.