[MultiColumn] Issues 90 and 180

This updated pull request addresses issues #90 and #180.  The update takes into account the added comments to issue #90, i.e.: the MultiColumn view is now available to all components in MCT which are not leaves.

Wrote or re-wrote unit tests (Y/N): N
Ran entire suite of unit tests successfully (Y/N): Y
Verified bug fix with the described replication steps or verified the implementation meets the requirement cited (Y/N): Y
Code coverage requirements satisfied (new code=80%, changed code=at least as high as existing) (Y/N): Y
Code review date and attendees: code review via pull request
Describe potential impact on other areas of the code: none
Describe any test prerequisites for this fix (e.g., restart the database): none
For bugs marked "Regression - Yes", describe the cause of the regression: N/A
Did you modify any pom.xml file? If yes, did you thoroughly document your changes and reasons? N