PRD-4921 - Basic excel export prototype
PRD-4921 - Refactor HTML output to allow fast-html to hook in
PRD-4921 - Html/XLSX working
PRD-4921 - HTML caching for massive speedup
PRD-4921 - Minor Excel performance tweaks
PRD-4921 - Minor Excel performance tweaks
Merge pull request #313 from tmorgner/master

PRD-4921 - Fast table export for CSV, HTML and Excel