Isolate some of the SMF-specific functions to the SMF-specific importer

Signed-off-by: emanuele <emanuele45@gmail.com>
Some functions are better as methods

Signed-off-by: emanuele <emanuele45@gmail.com>
Separate processing of steps into its own function and add another layer to the importer xml to accomodate the steps of the process (step1, step2 and step3)

Signed-off-by: emanuele <emanuele45@gmail.com>
Move the doStep2 to the xml importer

Signed-off-by: emanuele <emanuele45@gmail.com>
Do the same for doStep3

Signed-off-by: emanuele <emanuele45@gmail.com>
No need for a class anymore

Signed-off-by: emanuele <emanuele45@gmail.com>
Actually a class is better for step 2

Signed-off-by: emanuele <emanuele45@gmail.com>
Replicated the steps2 and 3 for all the importers

Signed-off-by: emanuele <emanuele45@gmail.com>