Added support for theme folder

[olivercox]

If options.settings['theme'] is set by calling

"app.set('theme', __dirname + '/themes/' + storeConfig.ActiveTheme);"

then all templates will be loaded from the themes folder if they exist. If they don't exist templates will be loaded as usual.

[RandomEtc]

This looks simple enough - can you add some tests maybe an example? Apologies up-front that the tests are a little bit of a rats' nest, feel free to start a separate file.

[bebraw]

+1

Any progress with this?

By the way as a workaround it would be awesome if relative paths worked. Seems to fail with good old ...