Add support for Jade 1.0.0

[Artazor]

Bump to new version, please -)

[martindale]

I suspect this is why templates with the following syntax do not get their local variables set correctly:

for person in people

It seems like the Jade plugin is only looking for the #{name} pattern, so loops in this format (Jade 1.0.0+?) aren't being included in the compiled template.