Leaderboard - show organization name when applicable

[ihsaan-ullah]

@ mention of reviewers

@Didayolo

A brief description of the purpose of the changes contained in this PR.

When a submission is submitted by an organization, the leaderboard table is broken.
This is fixed now

Issues this PR resolves

• Organization (team) management #805 -> Bug 1

Checklist

• Code review by me
• Hand tested by me
• I'm proud of my work
• Code review by reviewer
• Hand tested by reviewer
• CircleCi tests are passing
• Ready to merge

[Didayolo]

How this conflict in leaderboad.tag should be resolved?

EDIT: OK I get it, I'm merging.

<<<<<<< submit_as_organization
            <td each="{ column in filtered_columns }">{ get_score(column, submission) } </td>
            <td if="{enable_detailed_results}"><a href="detailed_results/{submission.id}" target="_blank">Show detailed results</a></td>
=======
            <td if="{submission.organization !== null}"><a href="{submission.organization.url}">{ submission.organization.name }</a></td>
            <td each="{ column in filtered_columns }">
                <a if="{column.title == 'Detailed Results'}" href="detailed_results/{get_detailed_result_submisison_id(column, submission)}" target="_blank" class="eye-icon-link">
                    <i class="icon grey eye eye-icon"></i>
                </a>
                <span if="{column.title != 'Detailed Results'}" class="{bold_class(column, submission)}">{get_score(column, submission)}</span>
            </td>
>>>>>>> develop