Reverse dependencies for geometry

Latest version of the following gems require geometry

Gem	Version	Date	Downloads
engineering +22.8 Thousand Downloads	`0.4.2` March 25, 2015	March 25, 2015	22.8 Thousand
dxf +17.9 Thousand Downloads	`0.3.1` March 22, 2015	March 22, 2015	17.9 Thousand
stl +9.52 Thousand Downloads	`0.2` August 26, 2014	August 26, 2014	9.52 Thousand
eaglecad +8.59 Thousand Downloads	`1` November 08, 2013	November 08, 2013	8.59 Thousand
gerber +7.97 Thousand Downloads	`1` March 11, 2013	March 11, 2013	7.97 Thousand