normalize paths in help output
normalize paths in help output

tarantool/luarocks,leafo/luarocks,xpol/luarocks,xiaq/luarocks,usstwxy/luarocks,tst2005/luarocks,coderstudy/luarocks,starius/luarocks,ignacio/luarocks,coderstudy/luarocks,starius/luarocks,usstwxy/luarocks,lxbgit/luarocks,xpol/luarocks,xpol/luavm,luarocks/luarocks,aryajur/luarocks,ignacio/luarocks,usstwxy/luarocks,coderstudy/luarocks,luarocks/luarocks,xpol/luainstaller,xpol/luavm,tst2005/luarocks,xpol/luarocks,robooo/luarocks,aryajur/luarocks,rrthomas/luarocks,lxbgit/luarocks,xpol/luainstaller,xiaq/luarocks,keplerproject/luarocks,xiaq/luarocks,rrthomas/luarocks,rrthomas/luarocks,aryajur/luarocks,xpol/luavm,tst2005/luarocks,tarantool/luarocks,luarocks/luarocks,xpol/luainstaller,aryajur/luarocks,usstwxy/luarocks,ignacio/luarocks,xiaq/luarocks,leafo/luarocks,rrthomas/luarocks,starius/luarocks,robooo/luarocks,keplerproject/luarocks,robooo/luarocks,robooo/luarocks,starius/luarocks,xpol/luarocks,tst2005/luarocks,ignacio/luarocks,leafo/luarocks,lxbgit/luarocks,xpol/luainstaller,coderstudy/luarocks,tarantool/luarocks,xpol/luavm,keplerproject/luarocks,xpol/luavm,keplerproject/luarocks,lxbgit/luarocks