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2009-03-18gracefully die if working dir is invalid at fork
In nearly every app, if the current working directory disappears, the app becomes broken, sometimes subtly. It can be especially broken when preload_app is false (the default). So just shut ourselves down to spare ourselves the wasted CPU cycles on a dead app. As a (hopefully) pleasant side effect, this allows configurations with preload_app==false (the default) to do application code reloads via SIGHUP (in addition to unicorn config reloads).
2009-03-09Documentation updates
Reformat README to avoid preformatted text. Document signal handling in SIGNALS. Split out DESIGN, it's probably not as useful to end-users Update CONTRIBUTORS LICENSE: copyright is for me (Eric Wong), not Zed since this is a Mongrel fork.