bzip2: convert to new package format

Signed-off-by: Stephan Raue <stephan@openelec.tv>
zip: convert to new package format

Signed-off-by: Stephan Raue <stephan@openelec.tv>
zlib: convert to new package format

Signed-off-by: Stephan Raue <stephan@openelec.tv>
lzo: convert to new package format

Signed-off-by: Stephan Raue <stephan@openelec.tv>
libvorbis: cleanup

Signed-off-by: Stephan Raue <stephan@openelec.tv>