Ran code through jslint to resolve IE issues.
Fixed remaining IE problems.
Merge pull request #14 from nigelgbanks/Smithsonian-ie-issues

Fixes for The content model viewer not rendering in IE.
Merge pull request #2 from discoverygarden/Smithsonian

Smithsonian relationship changes
Merge branch 'Smithsonian' into Smithsonian-tree-count