Added ability to specific a jade module.
Added support for custom extension.
Optional client extension
Fixed issue with jadeOptions not being used. Thanks, @icylace.

As part of supporting use cases from:
https://github.com/monokrome/jaded-brunch/pull/5/files#diff-2fbc5085a7bbe6fb696a1a3b75a6f420R100
Added support for jade patches.

These shouldn't exist, but apparently they do.
Added patches to omit list.
Bump.
Fix issue with @extension collision.