Reverse dependencies for ds

Latest version of the following gems require ds

Gem	Version	Date	Downloads
nlp +31.1 Thousand Downloads	`0.2.8` September 13, 2011	September 13, 2011	31.1 Thousand
finishm +22.9 Thousand Downloads	`0.0.9` August 21, 2016	August 21, 2016	22.9 Thousand
yargraph +9.56 Thousand Downloads	`0.0.4` July 08, 2014	July 08, 2014	9.56 Thousand
ogr +5.11 Thousand Downloads	`0.2.0` October 13, 2016	October 13, 2016	5.11 Thousand