Have AbstractedRepoApi inherit from RepoApi

claimview requires AbstractedRepoApi but to use AbstractedRepApi with labelview, descriptionview etc.,
AbstractedRepoApi needs to support corresponding functionality and there is no reason to encapsulate
AbstractedRepoApi.

Change-Id: Ic4c3661f847b33c0287c47ee1fb34f9ed5da8774
Show entity id when label is empty

Selenium test empty_label_and_description.feature:41

Change-Id: I7909aa678bdd5216b9f8ac4b00493c3714f7c7dc
Merge "Have AbstractedRepoApi inherit from RepoApi"
Merge "Show entity id when label is empty"