[PDI-11467] Use encryption for HTTP step passwords
Merge pull request #299 from mattyb149/PDI-11467

[PDI-11467] Use encryption for HTTP step passwords
PDI-3064 - Mapping / Sub-transformation doesn't pick up named parameters defined in parent if they are also defined in the subtrans

junits added
PDI-3064 - Mapping / Sub-transformation doesn't pick up named parameters defined in parent if they are also defined in the subtrans.

fix provided