work around unsupported full paths in anon lookups

windows only: http://tug.org/pipermail/lualatex-dev/2013-May/001519.html
run rst2man instead of rst2man2 on manpage
remove dead code from ``luaotfload-features.lua``
silence glyphlist loader
add note about loggers
Merge pull request #71 from phi-gamma/master

tolerance for invalid lookups