Make Gerrit.getVersion public for other code to use
Make Gerrit.getVersion public for other code to use

This may be useful to embed into a URL, such as to ensure that
the URL is loaded at least once per application version seen by
a browser.

Signed-off-by: Shawn O. Pearce <f3ea74d906fa9fe97c1fef6bad9cb871485c7045@google.com>

CandyShop/gerrit,anminhsu/gerrit,thinkernel/gerrit,gerrit-review/gerrit,GerritCodeReview/gerrit,gerrit-review/gerrit,evanchueng/gerrit,jeblair/gerrit,Team-OctOS/host_gerrit,Seinlin/gerrit,thinkernel/gerrit,midnightradio/gerrit,netroby/gerrit,netroby/gerrit,1yvT0s/gerrit,bootstraponline-archive/gerrit-mirror,netroby/gerrit,pkdevbox/gerrit,pkdevbox/gerrit,cjh1/gerrit,rtyley/mini-git-server,skurfuerst/gerrit,netroby/gerrit,cjh1/gerrit,jeblair/gerrit,hdost/gerrit,zommarin/gerrit,gcoders/gerrit,anminhsu/gerrit,quyixia/gerrit,bpollack/gerrit,midnightradio/gerrit,sudosurootdev/gerrit,cjh1/gerrit,gerrit-review/gerrit,Seinlin/gerrit,netroby/gerrit,bpollack/gerrit,bootstraponline-archive/gerrit-mirror,Seinlin/gerrit,makholm/gerrit-ceremony,MerritCR/merrit,gracefullife/gerrit,makholm/gerrit-ceremony,bpollack/gerrit,joshuawilson/merrit,TonyChai24/test,Team-OctOS/host_gerrit,MerritCR/merrit,atdt/gerrit,thinkernel/gerrit,bpollack/gerrit,keerath/gerrit_newssh,quyixia/gerrit,thesamet/gerrit,gcoders/gerrit,skurfuerst/gerrit,WANdisco/gerrit,Saulis/gerrit,WANdisco/gerrit,teamblueridge/gerrit,hdost/gerrit,Seinlin/gerrit,jackminicloud/test,keerath/gerrit_newssh,GerritCodeReview/gerrit-attic,Distrotech/gerrit,jackminicloud/test,bootstraponline-archive/gerrit-mirror,skurfuerst/gerrit,keerath/gerrit_newssh,GerritCodeReview/gerrit,keerath/gerrit_newssh,Team-OctOS/host_gerrit,ashang/aaron-gerrit,MerritCR/merrit,Saulis/gerrit,GerritCodeReview/gerrit-attic,midnightradio/gerrit,hdost/gerrit,evanchueng/gerrit,supriyantomaftuh/gerrit,makholm/gerrit-ceremony,CandyShop/gerrit,WANdisco/gerrit,gcoders/gerrit,teamblueridge/gerrit,Distrotech/gerrit,hdost/gerrit,1yvT0s/gerrit,austinchic/Gerrit,renchaorevee/gerrit,ashang/aaron-gerrit,evanchueng/gerrit,Team-OctOS/host_gerrit,ckamm/gerrit,bootstraponline-archive/gerrit-mirror,dwhipstock/gerrit,catrope/gerrit,thesamet/gerrit,gcoders/gerrit,rtyley/mini-git-server,jackminicloud/test,joshuawilson/merrit,renchaorevee/gerrit,ashang/aaron-gerrit,sudosurootdev/gerrit,evanchueng/gerrit,basilgor/gerrit,pkdevbox/gerrit,anminhsu/gerrit,midnightradio/gerrit,Distrotech/gerrit,GerritCodeReview/gerrit-attic,gracefullife/gerrit,joshuawilson/merrit,dwhipstock/gerrit,ckamm/gerrit,gracefullife/gerrit,Saulis/gerrit,gerrit-review/gerrit,thesamet/gerrit,MerritCR/merrit,hdost/gerrit,duboisf/gerrit,CandyShop/gerrit,Team-OctOS/host_gerrit,renchaorevee/gerrit,cjh1/gerrit,zommarin/gerrit,catrope/gerrit,supriyantomaftuh/gerrit,pkdevbox/gerrit,anminhsu/gerrit,m1kah/gerrit-contributions,thinkernel/gerrit,qtproject/qtqa-gerrit,jackminicloud/test,joshuawilson/merrit,zommarin/gerrit,dwhipstock/gerrit,quyixia/gerrit,Distrotech/gerrit,anminhsu/gerrit,ckamm/gerrit,Overruler/gerrit,sudosurootdev/gerrit,gerrit-review/gerrit,qtproject/qtqa-gerrit,makholm/gerrit-ceremony,netroby/gerrit,MerritCR/merrit,Saulis/gerrit,GerritCodeReview/gerrit,1yvT0s/gerrit,MerritCR/merrit,jackminicloud/test,bootstraponline-archive/gerrit-mirror,Overruler/gerrit,m1kah/gerrit-contributions,atdt/gerrit,supriyantomaftuh/gerrit,thinkernel/gerrit,thesamet/gerrit,joshuawilson/merrit,sudosurootdev/gerrit,renchaorevee/gerrit,dwhipstock/gerrit,duboisf/gerrit,duboisf/gerrit,keerath/gerrit_newssh,jeblair/gerrit,thesamet/gerrit,joshuawilson/merrit,supriyantomaftuh/gerrit,Distrotech/gerrit,Distrotech/gerrit,gcoders/gerrit,thinkernel/gerrit,TonyChai24/test,atdt/gerrit,teamblueridge/gerrit,basilgor/gerrit,jackminicloud/test,ckamm/gerrit,pkdevbox/gerrit,GerritCodeReview/gerrit,Team-OctOS/host_gerrit,Seinlin/gerrit,renchaorevee/gerrit,TonyChai24/test,MerritCR/merrit,atdt/gerrit,sudosurootdev/gerrit,dwhipstock/gerrit,gerrit-review/gerrit,m1kah/gerrit-contributions,basilgor/gerrit,austinchic/Gerrit,anminhsu/gerrit,pkdevbox/gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,renchaorevee/gerrit,gcoders/gerrit,supriyantomaftuh/gerrit,catrope/gerrit,1yvT0s/gerrit,Overruler/gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit,gcoders/gerrit,TonyChai24/test,WANdisco/gerrit,qtproject/qtqa-gerrit,midnightradio/gerrit,gerrit-review/gerrit,dwhipstock/gerrit,quyixia/gerrit,Saulis/gerrit,jackminicloud/test,pkdevbox/gerrit,quyixia/gerrit,quyixia/gerrit,thesamet/gerrit,teamblueridge/gerrit,ashang/aaron-gerrit,WANdisco/gerrit,Overruler/gerrit,ashang/aaron-gerrit,joshuawilson/merrit,hdost/gerrit,MerritCR/merrit,quyixia/gerrit,TonyChai24/test,bootstraponline-archive/gerrit-mirror,catrope/gerrit,teamblueridge/gerrit,Team-OctOS/host_gerrit,thesamet/gerrit,midnightradio/gerrit,GerritCodeReview/gerrit,bpollack/gerrit,skurfuerst/gerrit,Seinlin/gerrit,GerritCodeReview/gerrit,Seinlin/gerrit,qtproject/qtqa-gerrit,basilgor/gerrit,atdt/gerrit,gracefullife/gerrit,1yvT0s/gerrit,Overruler/gerrit,Distrotech/gerrit,WANdisco/gerrit,zommarin/gerrit,austinchic/Gerrit,basilgor/gerrit,supriyantomaftuh/gerrit,Overruler/gerrit,TonyChai24/test,Saulis/gerrit,CandyShop/gerrit,thinkernel/gerrit,hdost/gerrit,m1kah/gerrit-contributions,TonyChai24/test,gracefullife/gerrit,austinchic/Gerrit,dwhipstock/gerrit,netroby/gerrit,qtproject/qtqa-gerrit,ckamm/gerrit,joshuawilson/merrit,jeblair/gerrit,supriyantomaftuh/gerrit,duboisf/gerrit,CandyShop/gerrit,evanchueng/gerrit,renchaorevee/gerrit,bpollack/gerrit,zommarin/gerrit,anminhsu/gerrit