Fixes #3152 ref #3137: create a Rudder boot-time process to migrate Directive parameter inline variable to 'rudder' namespace
Merge pull request #93 from fanf/ust_3137/dev/3152_migration_of_interpolated_variable_in_directive_to_rudder_namespace

Fixes #3152 ref #3137: create a Rudder boot-time process to migrate Directive parameter inline variable to 'rudder' namespace