Reverse dependencies for google_currency

Latest version of the following gems require google_currency

Gem	Version	Date	Downloads
PipedrivePUT +115 Thousand Downloads	`1.2.3` October 04, 2018	October 04, 2018	115 Thousand
counterfeit +14.1 Thousand Downloads	`0.0.3` August 23, 2011	August 23, 2011	14.1 Thousand
crypto_compare +5.83 Thousand Downloads	`0.1.13` July 23, 2017	July 23, 2017	5.83 Thousand
curex +2.32 Thousand Downloads	`0.1.0.beta1` October 10, 2017	October 10, 2017	2.32 Thousand