added Submission::getResultTotalsArrayByCollectionId
added test for Submission::getResultTotalsArrayByCollectionId
sending the results through to admindex
added a column for submitted / total results
fixing the relation for submissions
changing getResultTotalsArrayByCollectionId so it uses a join
changing the name of Submission::getResultTotalsArrayByCollectionId to Submission::getResultTotals
Merge pull request #141 from Harvard-ATG/feature-136

Feature 136 - closes #136