Several QA fixes

Several use descriptions added
Fixed spacing
Updated headers
updated net-dns/avahi acording to the upstream
yet another fix of repoman complaints
media-libs/libart_lgpl: add version with trinity patches
tdeutils-derived packages: version bump 3.5.13.2 and live
added some tdepim-derived ebuilds for 3.5.13.2
add some tdepim-derived ebuilds for live version