Removed doubled urls in profiles, something went wrong after someone's merging.
Created module to set/unset a prop.
Fixes for Georgia mapping.

-Added copy_prop publisher to dataProvider
-Added list creation and appending to in copy_prop for to_prop
 strings.
-Added copy_prop source to description without replacing.
Fixes for Georgia mapping.

-Added copy_prop publisher to dataProvider
-Added list creation and appending to in copy_prop for to_prop
 strings.
-Added copy_prop source to description without replacing.
Updated getprop to allow of list prop.

-Added unit test for list prop
-Updated georgia profile to copy from originalRecord/coverage/2 to
 aggregatedCHO/date
Updatd profile to move dates from spatial to date.
Updated move_date_values

-Updated move_date_values to match MM-DD-YYYY-MM-DD-YYYY range
 variations
-Added unit tests for above
-Updated georgia profile to unset date prior to move_date_values
Merge branch 'georgia-fixes' of github.com:dpla/ingestion into georgia-fixes

Conflicts:
	profiles/georgia.pjs