Add title field to documentation index.
Add title field to documentation index.

The title field is extracted from the first line of the txt files (in some cases
the second line). This will make the search result page looks better.

Change-Id: Ibcb03c69e6e12ca1afed702d912ef1ce4d1e0269

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