Alchemy: Updating version of Alchemy and resulting underscorejs upgrade.
adding system events nutupane
Fixing some source code test failures.
Merge pull request #2814 from ehelms/underscore-update

Alchemy: Updating version of Alchemy and resulting underscorejs upgrade.
Merge pull request #2799 from jlsherrill/system-events-pane

adding system events nutupane
Merge pull request #2827 from waldenraines/source-test-fixes

Fixing some source code test failures.