Adding git-tools symlink to bin, so git-tools get picked up by the script that generates PATH.
nas-backup changes.
Update irc-tunnel.
Update filter-logcat, incmake.
Adding ccache_sloppiness mtime to bashrc.
Removing silly post-try hook from hgrc.

\o/
Adding hardlink and hardlink-all scripts.
Updating git-tools submodule.