Merge pull request #40 from jstritar/deltav

Start adding new deltav calculations
More stackblink work
start/stop blink button
use outer join so we dont discard values
blink interval slider + image cascade
right sidebar
keyboard shortcuts
begin work on stackblink api
more instructions
start work on stackblink crawl
Crawl/processing for stackblink
convert dms to floats for all stackblink stuff, put initial crawl data
in the db
add a known_target flag
reduce number crawled in skymorph
Merge branch 'master' of github.com:typpo/asterank
bad quality button
Merge branch 'master' of github.com:typpo/asterank
improving stackblink scrape
Merge branch 'master' of github.com:typpo/asterank
bump stackblink # crawled