Fix description of dashboard config file
Fix description of dashboard config file

The 'main' section was renamed to 'dashboard' but the documentation
was not updated. Also describe the new 'title' parameter.

Change-Id: Iade9095adf1967487369b1567f28ed4f5a25a0a7
Signed-off-by: Edwin Kempin <b444e279ad95fdef4fbdd82c813b624595df204a@sap.com>

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