Crosstab: Format dates and translate field labels
Fix crosstab label when dimension is an accum

Also some crosstab cleanup
Start using Moment.js for date formatting
Merge pull request #26 from gabegorelick/crosstab-fixes

Crosstab: use labels and format dates
Add error message to EditorGridField
Clean up EditorGridField validation
Merge pull request #27 from gabegorelick/editor-grid-validation

Editor grid validation
i18n holiday support for GSSages detector
Clean up GSSages
Merge pull request #28 from gabegorelick/i18nholidays

Internationalized holidays for GSSages detector
Fix NPE in DataSourceConverter if there's no user
@EnableAsync to do @Async processing