attempt at serving files except if requests begin with "/wiki"
handling /wiki paths special
cleaning up
changed comments
"dependency stuff for ubuntu, must manually install redis first, also need to sudo ./install_dependencies.sh
modifications to install script
ShareJS collaboration working; remote updates don't trigger markdown->html
put ShareJS collaboration in the DONE category
enabled "persistence" with redis
updated gitignore to ignore appendonly.aof; also explained persistent start-up
fallback to no database if redis is not available
updated TODO
updated TODO