remove package person (moved to go-sourcegraph)
remove doc page (currently unimplemented)
remove db_common (move to go-sourcegraph)
remove unused api_common package
rename person -> user
Merge pull request #88 from sourcegraph/move-person-to-go-sourcegraph

Move person to go sourcegraph
consolidated query against all repos at once
no need to fetch again
show examples in search results
continuous search
query for specific revs
show if no results