(Issue 727) Make share feed generic interact feed
Changing some 'share' terminology to 'interact'
Added a little of JSDoc above an it call in the interact tests
Merge branch 'mrvisser/issue-727' into master

* issue-727:
  Added a little of JSDoc above an it call in the interact tests
  Changing some 'share' terminology to 'interact'
  (Issue 727) Make share feed generic interact feed