Introduces common DosomethingUserRemote abstract class.
Simplify DosomethingUserRemote.
Get variables for campaign groups in search
Merge pull request #3588 from sbsmith86/search-campaigns-group

Get variables for campaign groups in search
Merge pull request #3582 from sergii-tkachenko/introduce-common-remote-user

Introduces common DosomethingUserRemote abstract class.