Prevent working nodes from being removed on revert

Fix #223
Ignore distribution packages
Set package version prior to tagging
2.1.0 Release
2.1.1 Bump
Fix errors when setting/clearing datepicker on changeDate event
Combine duplicate code from placholder and value set methods
Define the getField method for FieldValueSearch field controls

Previously, the field was always undefined causing the context to
always be invalid. This was preventing the "Apply Filter" button from
ever becoming active.