Modal pager

For MVP:

• Allow reverse sorting taking in account timestamp constraints. Needed to fetch adjacent documents on time-based horizontal feeds.

assigned to @omadrid

added 1 deleted label

added ProductMedia label

added 1 deleted label

changed time estimate to 2d

added 1 deleted label

removed milestone

changed milestone to %Misc. Q4 2019

added 1 deleted label and removed 1 deleted label

removed 1 deleted label

added StatusValidation label

added TypeFeature label

changed title from (feat): Modal pager to Modal pager

added StatusPlanning label and removed StatusValidation label

unassigned @omadrid

changed due date to December 18, 2019

assigned to @eiennohi

added Priority1 - High label