Merge branch 'master' of github.com:Tieske/luarocks into win_install_checkpath
fixes LR install in location with spaces, quoting LR commands
NOTE: seems to be broken now, bug not found yet
update get_md5() and check_md5() to also return an error message if it fails
unquoted arguments of get_md5 command to prevent failure, needs further updating
Merge branch 'master' of https://github.com/keplerproject/luarocks into command_quoting
fixed double quotes in io.popen commands
Merge branch 'master' of https://github.com/keplerproject/luarocks into command_quoting