add password module
remove req.host setting
add publicPaths option to let some paths through without authentication
Merge branch 'master' into password-module

Conflicts:
	app.js
Merge branch 'password-module' of github.com:movableink/doorman into password-module
log is global
Merge branch 'master' into excluded-paths
Merge pull request #13 from kcrayon/master

fix cookie options
Add ability to configure secureProxy for cookies to be sent only for SSL
- useful for cases for doorman behind a proxy
Merge pull request #15 from powershop/secure_proxy_option

Add ability to configure secureProxy for cookies to be sent only for SSL
add option to set hostname