Rudix documentation update
Doc improvements
end tag mismatch
new package luabind

luabind is compatible with Lua 5.1, but MXE Lua is 5.2,
so sevaral patches are applied
add luabind-test.cpp

all programs using luabind should define LUA_COMPAT_ALL
index: fix dead link

Closes #482.

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Merge branch 'stable'
update package libpng
update package gnutls
update package curl
curl: Install curl.exe

See https://github.com/mxe/mxe/commit/2722b35587bee4ec2f0c47f9c6f00186e5685ad9#commitcomment-7504206
pcre: fix removal of docs

This fixes issue #487.
Merge pull request #484 from starius/master

new package luabind
luabind-2-elif.patch: Clarify the necessity of the patch
Merge pull request #491 from uwehermann/fix_pcre

pcre: fix removal of docs
pcre: remove two unused lines
qtbase: disable i686-pc-mingw32 targets

As of version 5.3.1 qtbase requires comdef.h, which MinGW lacks.
update package harfbuzz
gc: fix download

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
gc: fix download

Signed-off-by: Timothy Gu <timothygu99@gmail.com>