#449 request number
#449 offer number
Merge branch 'request-number' of github.com:keating/oscurrency into keating-request-number
fix new message default profile image. related to gh-179
make req/offer ids more visually distinct from name. closes gh-449
also remove ids from activity stream as use case described in issue does not involve activity stream.
Merge branch 'develop' of github.com:ziyan-junaideen/oscurrency into ziyan-junaideen-develop
restore previous schema.rb. closes gh-556. closes gh-557