Provided an example on how to abandon a change
Provided an example on how to abandon a change

Added command line example to abandon a certain change.
The example was made to be as similar as possible to the previous
examples, reusing the same virtual SHA1.

Change-Id: I7f2ed88c59856d2a173aed3f8c3e84e4ec187b66

jackminicloud/test,WANdisco/gerrit,joshuawilson/merrit,basilgor/gerrit,TonyChai24/test,CandyShop/gerrit,bpollack/gerrit,gracefullife/gerrit,thesamet/gerrit,hdost/gerrit,joshuawilson/merrit,gerrit-review/gerrit,pkdevbox/gerrit,TonyChai24/test,qtproject/qtqa-gerrit,gracefullife/gerrit,bpollack/gerrit,m1kah/gerrit-contributions,evanchueng/gerrit,thesamet/gerrit,MerritCR/merrit,gcoders/gerrit,Overruler/gerrit,bpollack/gerrit,MerritCR/merrit,pkdevbox/gerrit,TonyChai24/test,joshuawilson/merrit,CandyShop/gerrit,zommarin/gerrit,bootstraponline-archive/gerrit-mirror,WANdisco/gerrit,TonyChai24/test,ckamm/gerrit,Team-OctOS/host_gerrit,ashang/aaron-gerrit,anminhsu/gerrit,qtproject/qtqa-gerrit,1yvT0s/gerrit,ashang/aaron-gerrit,WANdisco/gerrit,gerrit-review/gerrit,GerritCodeReview/gerrit,anminhsu/gerrit,MerritCR/merrit,MerritCR/merrit,MerritCR/merrit,GerritCodeReview/gerrit,jackminicloud/test,midnightradio/gerrit,keerath/gerrit_newssh,atdt/gerrit,zommarin/gerrit,thesamet/gerrit,ckamm/gerrit,thinkernel/gerrit,zommarin/gerrit,ckamm/gerrit,1yvT0s/gerrit,quyixia/gerrit,Distrotech/gerrit,ckamm/gerrit,supriyantomaftuh/gerrit,basilgor/gerrit,bpollack/gerrit,MerritCR/merrit,gracefullife/gerrit,thesamet/gerrit,CandyShop/gerrit,Seinlin/gerrit,quyixia/gerrit,jackminicloud/test,Team-OctOS/host_gerrit,qtproject/qtqa-gerrit,dwhipstock/gerrit,joshuawilson/merrit,MerritCR/merrit,teamblueridge/gerrit,thinkernel/gerrit,jackminicloud/test,keerath/gerrit_newssh,WANdisco/gerrit,joshuawilson/merrit,dwhipstock/gerrit,Team-OctOS/host_gerrit,dwhipstock/gerrit,gerrit-review/gerrit,midnightradio/gerrit,quyixia/gerrit,Overruler/gerrit,hdost/gerrit,midnightradio/gerrit,Saulis/gerrit,renchaorevee/gerrit,basilgor/gerrit,supriyantomaftuh/gerrit,renchaorevee/gerrit,quyixia/gerrit,Seinlin/gerrit,TonyChai24/test,basilgor/gerrit,Seinlin/gerrit,Seinlin/gerrit,renchaorevee/gerrit,gerrit-review/gerrit,netroby/gerrit,jackminicloud/test,Overruler/gerrit,m1kah/gerrit-contributions,supriyantomaftuh/gerrit,bootstraponline-archive/gerrit-mirror,dwhipstock/gerrit,atdt/gerrit,m1kah/gerrit-contributions,quyixia/gerrit,hdost/gerrit,renchaorevee/gerrit,bootstraponline-archive/gerrit-mirror,hdost/gerrit,netroby/gerrit,midnightradio/gerrit,anminhsu/gerrit,anminhsu/gerrit,anminhsu/gerrit,CandyShop/gerrit,Distrotech/gerrit,renchaorevee/gerrit,Distrotech/gerrit,supriyantomaftuh/gerrit,hdost/gerrit,Seinlin/gerrit,netroby/gerrit,WANdisco/gerrit,bpollack/gerrit,gracefullife/gerrit,GerritCodeReview/gerrit,supriyantomaftuh/gerrit,thinkernel/gerrit,zommarin/gerrit,pkdevbox/gerrit,teamblueridge/gerrit,netroby/gerrit,teamblueridge/gerrit,CandyShop/gerrit,keerath/gerrit_newssh,WANdisco/gerrit,netroby/gerrit,Saulis/gerrit,anminhsu/gerrit,GerritCodeReview/gerrit,ckamm/gerrit,gcoders/gerrit,Saulis/gerrit,dwhipstock/gerrit,ashang/aaron-gerrit,gerrit-review/gerrit,Overruler/gerrit,Distrotech/gerrit,keerath/gerrit_newssh,Distrotech/gerrit,ashang/aaron-gerrit,joshuawilson/merrit,1yvT0s/gerrit,anminhsu/gerrit,qtproject/qtqa-gerrit,atdt/gerrit,Distrotech/gerrit,netroby/gerrit,atdt/gerrit,Overruler/gerrit,Saulis/gerrit,evanchueng/gerrit,Team-OctOS/host_gerrit,thinkernel/gerrit,thesamet/gerrit,gerrit-review/gerrit,supriyantomaftuh/gerrit,midnightradio/gerrit,evanchueng/gerrit,Team-OctOS/host_gerrit,quyixia/gerrit,pkdevbox/gerrit,gcoders/gerrit,Seinlin/gerrit,teamblueridge/gerrit,renchaorevee/gerrit,qtproject/qtqa-gerrit,m1kah/gerrit-contributions,joshuawilson/merrit,gcoders/gerrit,gcoders/gerrit,renchaorevee/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,hdost/gerrit,gcoders/gerrit,Team-OctOS/host_gerrit,dwhipstock/gerrit,1yvT0s/gerrit,dwhipstock/gerrit,evanchueng/gerrit,pkdevbox/gerrit,qtproject/qtqa-gerrit,quyixia/gerrit,midnightradio/gerrit,gerrit-review/gerrit,WANdisco/gerrit,hdost/gerrit,gracefullife/gerrit,Saulis/gerrit,evanchueng/gerrit,gcoders/gerrit,Saulis/gerrit,qtproject/qtqa-gerrit,bpollack/gerrit,bootstraponline-archive/gerrit-mirror,ashang/aaron-gerrit,bootstraponline-archive/gerrit-mirror,thesamet/gerrit,1yvT0s/gerrit,atdt/gerrit,Team-OctOS/host_gerrit,Distrotech/gerrit,joshuawilson/merrit,thesamet/gerrit,jackminicloud/test,jackminicloud/test,thinkernel/gerrit,GerritCodeReview/gerrit,TonyChai24/test,pkdevbox/gerrit,Seinlin/gerrit,GerritCodeReview/gerrit,thinkernel/gerrit,basilgor/gerrit,supriyantomaftuh/gerrit,zommarin/gerrit,netroby/gerrit,keerath/gerrit_newssh,bootstraponline-archive/gerrit-mirror,teamblueridge/gerrit,pkdevbox/gerrit,thinkernel/gerrit,MerritCR/merrit,TonyChai24/test,Overruler/gerrit