replaced reshape with faster manual split-rbind approach

added grep pre-filtering of rows in the *.dly files

replaced read.fortran with faster system call to awk/tr

added initial R script to load GHCN data into a SQLite DB

simplified code by using 'a' flag for r.neighbors (improves 3abda63)

reorganized AML terrain scripts to reduce superficial redundancy

renamed script to multiscalesmooth.R

numerous comment, format, and variable name changes

now actually refining before smoothing (GRASS version)

reversed order of refine-and-smooth step