updating copyright date
documents compiling
rewrite rrd-loadavg in go
add Makefile
move go source code to repo root
add make clean
split sendUdp() to separate source file
port rrd-nproc to go
no need to set GOPATH
change error reporting to panic()
add sendudp.go dependency in Makefile
remove rrd-iftraff
rewrite rrd-iftraff in go
correcting data collection
correcting rrd syntax
rewrite rrd-cpu in go
removing rrd-mem
rewrite rrd-mem in go
remove rrd-df
rewrite rrd-df in go