Changing setup_ubuntu.sh to reflect changes in directory structure.
Having setup_ubuntu.sh generate bcrypt salt and secure key and place
those values in config.py.  This causes tests at end of setup script to
pass.
Making all markdown links relative
added ossec and apparmor configs to repo and installation scripts
added apache headers and rewrite rule need to test defense functionality
updated apparmor profiles for interfaces
added rights for javascript/tor2web warnings in apparmor profiles
updated install.md with new host names and install steps
updated fixes in the install scripts
added usage to production_install.sh
Merge pull request #165 from dolanjs/bm-install-scripts

Updated (and tested) deployment scripts.
simplify definition/creation of data directories