Improve deploy instructions/scripts

[grschafer]

Make sure to do

meteor npm install

on your local to install dependencies so that the server is able to run. If you package the app without it working locally, the build artifact won't be complete and won't work on the server if deployed and run there.

Separately, the c3po.sh file that gets put on the server appears to set up the server as if it were a development environment (installs a bunch of OS packages, installs meteor anew each time, builds httpry from source, etc.). We should have a deploy script that just uploads the artifact and reloads the server.

[tree-chutes]

Installing meteor locally has required installing several packages manually. The line was there but did nothing. I will put it back and split the script in two when the project stabilizes. So far we have been discarding AMIs