Update dependencies and rebuild with CoffeeScript 1.3.3
sys -> util
Use full path to node in install.sh
Account for shell profile scripts that write to stdout or stderr
Fix for readAndUnlink
Load environment scripts through the user's shell
Fixes #271, #281, #285, and probably other rvm-related issues.
Add support for .xip.io domains
allows Cookies from request to pass through proxy requests

because request.js started using it's CookieJar impl, it was removing
all the cookies from the original request. This simple change stops that
from happening.

Conflicts:

	lib/http_server.js
Touch ~/.pow/restart.txt to restart Pow
Add a section on restarting Pow
Update node version in manual
Document `/env.json` endpoint
Brief word on port proxying

Closes #290
Tweak the proxy docs
Default encoding is UTF-8; override by setting LANG in ~/.powconfig
Pow 0.4.0-beta1
Clarify xip.io docs
Language tweaks
RVM deprecation notice
Restrict deprecation actions to POST-only