bind: Expand to all unix platforms.
Merge pull request #3464 from pmahoney/bind-osx

bind: Expand to all unix platforms.
melt: use ffmpeg instead of libav, fixes libx264 export
ec2-ami-tools: Update from 1.4.0.9 to 1.5.3
webapp/narwhal dependencies
prevent usage of binutils on darwin
more platforms for LWP
give fail2ban systemd support

this involves several changes:

* upgrade fail2ban to 0.9
* override systemd to enable python support
* remove gamin, which is a file monitor; all monitoring is done through systemd now
remove default f2b jails
make fail2ban enablable