Formatting updates

author: diane fleming
Merge pull request #93 from dian4554/image-gs

@rgbkrk yeah, I kind of agree. In fact, might not needed at all. Going to merge this in. Then fix that aspect with a different PR.
Some minor whitespace stuff.
Use an init script for the site source watcher.
Oh hey upstart automatically logs.
Let's see if this does it for sphinx.
Point out where the watcher logs are in the README.
Merge pull request #107 from smashwilson/init-scripts

Launch watchers with init scripts instead of screen