Buck: Expand instructions related to setting up the path
Buck: Expand instructions related to setting up the path

Adding the ~/bin folder to the path in the current shell session
is not enough.  It also needs to be added globally.

Update the documentation to mention this.

Change-Id: Ic5d4cf1a02b3e52eccb6e34ba3513a69785df1f9

jackminicloud/test,anminhsu/gerrit,Saulis/gerrit,Saulis/gerrit,gcoders/gerrit,supriyantomaftuh/gerrit,gcoders/gerrit,qtproject/qtqa-gerrit,hdost/gerrit,gcoders/gerrit,pkdevbox/gerrit,Overruler/gerrit,TonyChai24/test,renchaorevee/gerrit,supriyantomaftuh/gerrit,pkdevbox/gerrit,thesamet/gerrit,hdost/gerrit,jackminicloud/test,anminhsu/gerrit,Distrotech/gerrit,Distrotech/gerrit,jackminicloud/test,qtproject/qtqa-gerrit,Distrotech/gerrit,MerritCR/merrit,renchaorevee/gerrit,Seinlin/gerrit,thesamet/gerrit,netroby/gerrit,Seinlin/gerrit,thinkernel/gerrit,renchaorevee/gerrit,thinkernel/gerrit,bootstraponline-archive/gerrit-mirror,dwhipstock/gerrit,supriyantomaftuh/gerrit,hdost/gerrit,MerritCR/merrit,thesamet/gerrit,anminhsu/gerrit,gcoders/gerrit,midnightradio/gerrit,gerrit-review/gerrit,netroby/gerrit,gerrit-review/gerrit,hdost/gerrit,thesamet/gerrit,MerritCR/merrit,Distrotech/gerrit,quyixia/gerrit,bootstraponline-archive/gerrit-mirror,WANdisco/gerrit,Team-OctOS/host_gerrit,hdost/gerrit,midnightradio/gerrit,renchaorevee/gerrit,TonyChai24/test,supriyantomaftuh/gerrit,qtproject/qtqa-gerrit,Seinlin/gerrit,anminhsu/gerrit,supriyantomaftuh/gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit,Saulis/gerrit,joshuawilson/merrit,dwhipstock/gerrit,TonyChai24/test,bootstraponline-archive/gerrit-mirror,thinkernel/gerrit,TonyChai24/test,gerrit-review/gerrit,joshuawilson/merrit,GerritCodeReview/gerrit,WANdisco/gerrit,GerritCodeReview/gerrit,jackminicloud/test,anminhsu/gerrit,renchaorevee/gerrit,pkdevbox/gerrit,GerritCodeReview/gerrit,pkdevbox/gerrit,hdost/gerrit,renchaorevee/gerrit,midnightradio/gerrit,joshuawilson/merrit,thesamet/gerrit,Saulis/gerrit,dwhipstock/gerrit,WANdisco/gerrit,Seinlin/gerrit,joshuawilson/merrit,GerritCodeReview/gerrit,TonyChai24/test,WANdisco/gerrit,Distrotech/gerrit,jackminicloud/test,gerrit-review/gerrit,gerrit-review/gerrit,quyixia/gerrit,gcoders/gerrit,anminhsu/gerrit,Saulis/gerrit,thinkernel/gerrit,midnightradio/gerrit,jackminicloud/test,thinkernel/gerrit,thinkernel/gerrit,dwhipstock/gerrit,Team-OctOS/host_gerrit,thinkernel/gerrit,netroby/gerrit,MerritCR/merrit,quyixia/gerrit,renchaorevee/gerrit,qtproject/qtqa-gerrit,Overruler/gerrit,thesamet/gerrit,joshuawilson/merrit,quyixia/gerrit,Seinlin/gerrit,Team-OctOS/host_gerrit,GerritCodeReview/gerrit,midnightradio/gerrit,GerritCodeReview/gerrit,bootstraponline-archive/gerrit-mirror,GerritCodeReview/gerrit,Team-OctOS/host_gerrit,Seinlin/gerrit,netroby/gerrit,TonyChai24/test,GerritCodeReview/gerrit,bootstraponline-archive/gerrit-mirror,qtproject/qtqa-gerrit,bootstraponline-archive/gerrit-mirror,Team-OctOS/host_gerrit,netroby/gerrit,supriyantomaftuh/gerrit,hdost/gerrit,gerrit-review/gerrit,Distrotech/gerrit,netroby/gerrit,midnightradio/gerrit,Team-OctOS/host_gerrit,Team-OctOS/host_gerrit,Overruler/gerrit,quyixia/gerrit,dwhipstock/gerrit,joshuawilson/merrit,MerritCR/merrit,pkdevbox/gerrit,WANdisco/gerrit,Distrotech/gerrit,MerritCR/merrit,WANdisco/gerrit,Seinlin/gerrit,MerritCR/merrit,Overruler/gerrit,MerritCR/merrit,pkdevbox/gerrit,gerrit-review/gerrit,quyixia/gerrit,Overruler/gerrit,qtproject/qtqa-gerrit,Saulis/gerrit,netroby/gerrit,TonyChai24/test,quyixia/gerrit,Overruler/gerrit,thesamet/gerrit,dwhipstock/gerrit,supriyantomaftuh/gerrit,joshuawilson/merrit,anminhsu/gerrit,pkdevbox/gerrit,dwhipstock/gerrit,gcoders/gerrit,joshuawilson/merrit,jackminicloud/test,gcoders/gerrit