Add documentation about the data shared by interceptors and filters.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Add a link on the new mojo documentation

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Provide a parameter avoiding to fail the build when opting or jpegtran fail

failOnBrokenAsset is disable by default.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Extend the TCCL switch part in the SMTP mailer

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>