search: add damus search ui (William Casarin)

ndb: more dumb results building (William Casarin)

ndb/note: always track note size, add to_owned (William Casarin)

build: fix a few warnings (William Casarin)

pushed to damus:refs/heads/master

http://git.jb55.com/damus/commit/4bf8a68c9c13e4af3548a55e7f40a92476a13d4e.html