Merge pull request #5 from lehitoskin/unix-funtime

Added USE for unixtime patch
Made livpx & opus _really_ deps of A/V support.
Thanks to sonOfRa for pointing out!
Fix description for av use flag
Merge pull request #6 from sonOfRa/use-description

Fix description for av USE flag
Update README.md
Formatting
net-im/toxic is now ** instead of ~,
thanks to rypervench for the hint.
Fix typo in AUTHORS
Merge pull request #7 from zetok/master

Fix typo in AUTHORS
Add dependency on media-libs/openal for net-im/toxic[av]
Add USE=logging for net-libs/tox-9999

It's useful for debugging purposes. Disabled by default.
If enabled, creates libtoxcore.log in working directory.
Merged pull request & cleaned up
net-libs/tox ebuild.
Added Blight to overlay