avail.list is generated by:
apt-cache search '.*' | sort > avail.list
I've run the installer v1.0, so have the default package list from that.
me@plug:/local/configs/packages$ for p in libssl-dev libpcap-dev libexpat1-dev git-core python-dev libssl-dev libpcap-dev libexpat1-dev athena-jot; do grep $p avail.list; done
libssl-dev - SSL development libraries, header files and documentation
libpcap-dev - development library for libpcap (transitional package)
libexpat1-dev - XML parsing C library - development kit
git-core - fast, scalable, distributed revision control system
libboost-python-dev - Boost.Python Library development files
python-dev - Header files and a static library for Python (default)
libssl-dev - SSL development libraries, header files and documentation
libpcap-dev - development library for libpcap (transitional package)
libexpat1-dev - XML parsing C library - development kit
athena-jot - print out increasing, decreasing, random, or redundant data, one per line
So they are all there.