add tar/gz functionality from opkg (originally taken by them from busybox) to opkg-more and call it libtargz instead of libbb
move targz to seperate package
rename libtargz => libbbtargz
allow opkg-more to load gzipped package info, depend on libbtargz taken from opkg which they got from busybox
fix compilation of libbbtargz
fix a few more bugs with opkg-more parsing gz files
bump openwrt version
update opkg-more to detect gzip files by first two bytes, not gzip extension
fix alix compiling
Merge branch 'plugin'