liblo: import from old packages feed

 - update to latest version (v0.28)
 - add license info
 - add myself as maintainer

Signed-off-by: Nicolas Thill <nico@openwrt.org>
gnupg: import from old packages feed

 - update to latest version (v1.4.18)
 - add license info
 - add myself as maintainer

Signed-off-by: Nicolas Thill <nico@openwrt.org>
freetype: import from old packages feed

 - update to latest version (v2.5.3)
 - add license info
 - add myself as maintainer

Signed-off-by: Nicolas Thill <nico@openwrt.org>
Merge branch 'nico/import-freetype'
Merge branch 'nico/import-liblo'
Merge branch 'nico/import-gnupg'