Finally make wbclient.linkItem non-experimental

Patchset 2: Rebased
Patchset 3: Sporious lines commented out

Change-Id: Ibcab6cfd32bbff82900fcc05edeedc63635fbd71
(testing) selenium tests for multiline references

- adding, editing, removing

Change-Id: Id55e2f723bfae2b620b3e3b0e95ce51abd700d17
Merge "(testing) selenium tests for multiline references"