go exec

--HG--
branch : gomain
rename : nrsc => nrsc.sh
builds

--HG--
branch : gomain
user & host in test dir

--HG--
branch : gomain
Passing tests

--HG--
branch : gomain
rst -> md

--HG--
branch : gomain
rename : README.rst => README.md
updated doc

--HG--
branch : gomain
nrsc as go executable
one init
0.5.
Added tag 0.5.0 for changeset 8d92587ff0ed