Reverse dependencies for gtk2

Latest version of the following gems require gtk2

Gem	Version	Date	Downloads
serial-watcher +5.56 Thousand Downloads	`0.2.1` September 17, 2012	September 17, 2012	5.56 Thousand
dclext-gtk +5.38 Thousand Downloads	`0.1.0` January 31, 2012	January 31, 2012	5.38 Thousand
yorkcmarker +5.06 Thousand Downloads	`2.3.4` May 31, 2012	May 31, 2012	5.06 Thousand
wnck +4.84 Thousand Downloads	`0.1.0` November 02, 2010	November 02, 2010	4.84 Thousand
simple_ruby_gui +4.81 Thousand Downloads	`0.0.3` February 29, 2012	February 29, 2012	4.81 Thousand
manqod-server-console +4.77 Thousand Downloads	`1.29.0` February 20, 2011	February 20, 2011	4.77 Thousand
superterm +4.76 Thousand Downloads	`0.0.1` August 21, 2012	August 21, 2012	4.76 Thousand
wxgtk +4.72 Thousand Downloads	`0.0.0` August 22, 2012	August 22, 2012	4.72 Thousand
shutdown-dialog +4.6 Thousand Downloads	`0.0.1` April 09, 2012	April 09, 2012	4.6 Thousand
vr-corelib +4.52 Thousand Downloads	`0.0.36` June 27, 2013	June 27, 2013	4.52 Thousand
mireru2 +4.42 Thousand Downloads	`0.0.1` September 12, 2013	September 12, 2013	4.42 Thousand
tangsalesparser +4.39 Thousand Downloads	`0.0.3` February 07, 2013	February 07, 2013	4.39 Thousand
project3v3 +4.13 Thousand Downloads	`0.0.1` May 07, 2013	May 07, 2013	4.13 Thousand
ClockOFF +4.09 Thousand Downloads	`0.0.1` December 08, 2014	December 08, 2014	4.09 Thousand
feedcellar-gtk +3.85 Thousand Downloads	`0.1.0` April 04, 2015	April 04, 2015	3.85 Thousand
cb_all_widgets +3.55 Thousand Downloads	`0.0.1` December 12, 2015	December 12, 2015	3.55 Thousand
ruby-tic-tac-toe-crazcalm +3.55 Thousand Downloads	`0.0.1` August 25, 2015	August 25, 2015	3.55 Thousand
gsuper +3.16 Thousand Downloads	`0.1.0` April 25, 2016	April 25, 2016	3.16 Thousand
tecscde +2.75 Thousand Downloads	`0.6.0` March 12, 2019	March 12, 2019	2.75 Thousand
interphase +2.64 Thousand Downloads	`1.0.0` March 10, 2018	March 10, 2018	2.64 Thousand