-added -also_run so we could run scripts/run-blobserver
to start a blobserver for the sharing demos/doc.
-added new share blob to the root and rmed the old one
-run-blobserver now uses make.go
-fixed doc to account for the share handler
Change-Id: I2d5120cfbb92f983872bc65ede4ac5b314ca9606
.. in prep for it getting more front-end stuff. I'll make a smaller
server/go/blobserver binary later for people just wanting a
stand-alone blobserver.
Brad Fitzpatrick