Reverse dependencies for gtk2

Latest version of the following gems require gtk2

Gem	Version	Date	Downloads
serial-watcher +5.5 Thousand Downloads	`0.2.1` September 17, 2012	September 17, 2012	5.5 Thousand
dclext-gtk +5.33 Thousand Downloads	`0.1.0` January 31, 2012	January 31, 2012	5.33 Thousand
yorkcmarker +5.02 Thousand Downloads	`2.3.4` May 31, 2012	May 31, 2012	5.02 Thousand
wnck +4.81 Thousand Downloads	`0.1.0` November 02, 2010	November 02, 2010	4.81 Thousand
simple_ruby_gui +4.77 Thousand Downloads	`0.0.3` February 29, 2012	February 29, 2012	4.77 Thousand
manqod-server-console +4.73 Thousand Downloads	`1.29.0` February 20, 2011	February 20, 2011	4.73 Thousand
superterm +4.69 Thousand Downloads	`0.0.1` August 21, 2012	August 21, 2012	4.69 Thousand
wxgtk +4.67 Thousand Downloads	`0.0.0` August 22, 2012	August 22, 2012	4.67 Thousand
shutdown-dialog +4.54 Thousand Downloads	`0.0.1` April 09, 2012	April 09, 2012	4.54 Thousand
vr-corelib +4.47 Thousand Downloads	`0.0.36` June 27, 2013	June 27, 2013	4.47 Thousand
tangsalesparser +4.36 Thousand Downloads	`0.0.3` February 07, 2013	February 07, 2013	4.36 Thousand
mireru2 +4.35 Thousand Downloads	`0.0.1` September 12, 2013	September 12, 2013	4.35 Thousand
project3v3 +4.09 Thousand Downloads	`0.0.1` May 07, 2013	May 07, 2013	4.09 Thousand
ClockOFF +4.04 Thousand Downloads	`0.0.1` December 08, 2014	December 08, 2014	4.04 Thousand
feedcellar-gtk +3.79 Thousand Downloads	`0.1.0` April 04, 2015	April 04, 2015	3.79 Thousand
ruby-tic-tac-toe-crazcalm +3.51 Thousand Downloads	`0.0.1` August 25, 2015	August 25, 2015	3.51 Thousand
cb_all_widgets +3.5 Thousand Downloads	`0.0.1` December 12, 2015	December 12, 2015	3.5 Thousand
gsuper +3.12 Thousand Downloads	`0.1.0` April 25, 2016	April 25, 2016	3.12 Thousand
tecscde +2.68 Thousand Downloads	`0.6.0` March 12, 2019	March 12, 2019	2.68 Thousand
interphase +2.59 Thousand Downloads	`1.0.0` March 10, 2018	March 10, 2018	2.59 Thousand