b/17280036 Require start and end dates on tasks.
b/17299906 Cancel button is now disabled when the delete button is clicked. This will prevent users from canceling the delete before the delete is complete.
Add History toggle to My Work page
Simple filters for tree view
Make sure filters are defined
Refactored to use tree-filter-controller
Added some UX improvements for delete modal -- confirm/cancel buttons are never re-enabled after delete success, and modal backdrops are now not clickable during pending delete operation
Added 'disabled' class handler for modal backdrops
Merge pull request #1744 from reciprocity/feature/disable-cancel-button-on-object-delete

b/17299906 Cancel button is now disabled when the delete button is click...
Merge pull request #1750 from reciprocity/feature/simple-task-filters

Task Filters
Fix date validation logic and text layout on quarterly workflows.
Python join takes one argument (list of strings) instead of 3 separate strings
Merge pull request #1733 from reciprocity/feature/make-task-dates-mandatory

b/17280036 Require start and end dates on tasks.
Merge pull request #1757 from reciprocity/feature/verify_s37_merges

Mandatory fix for s37 - Email Digest
Moved 'Add New Rule, selector below 'Matching Terms' filter.bug #1744882
Merge pull request #1758 from reciprocity/feature/move-filter-rule

Moved 'Add New Rule, selector below 'Matching Terms' filter.bug #1744882