Reverse dependencies for fsdb

Latest version of the following gems require fsdb

Gem	Version	Date	Downloads
cloudscale +26.8 Thousand Downloads	`0.0.9` October 30, 2015	October 30, 2015	26.8 Thousand
cloudscale-benchmark +4.28 Thousand Downloads	`0.0.2` October 13, 2014	October 13, 2014	4.28 Thousand
cloudscale-monitor +4.18 Thousand Downloads	`0.0.1` October 18, 2014	October 18, 2014	4.18 Thousand