[KFSQA-709] Implemented test DV can be saved with only description entered.
[KFSQA-709] added 'auto_populate' flag to control whether to populate payment information when create DV
[KFSQA-709] Merged KFSQA-681 to this jira and reworked.
[KFSQA-709] merged final version of KFSQA-681
[KFSQA-709] merge master to KFSQA-709
[KFSQA-709] more files for merging master to this branch
[KFSQA-709] merge to master