Improve README by adding short SG description, and removing some outdated information. (#3684)
Improve README by adding short SG description, and removing some outdated information. (#3684)

Fix copy/paste error

Remove header image, replace with svg icon
couchbaselabs/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway,ceejatec/sync_gateway