Changes

implement API oms_listVariants (#1180)

* implement API oms_listVariants

* fix for loop

* debug jenkins

* disable linux test

* implement oms_activateVariant()

* disable linux test

* Trigger build

* Trigger build again

* return empty ComRef

* enabale test for linux

* fix exporting unitDefinitions in ssp

* expected output

* add tests for oms_activateVariant

* fix oms_duplicateVariant()

* expected output

* expected output

* fix variant name in resources

* activate and duplicate variant from memory

* add python support

* fix temp directory

* add documentation

* Trigger build