* ms emails: fix link underline extra space
* fe: team member no arbiter ms action verbiage
* BE: no proposal matching changes after funding + pull proposal state changing into model funcs
* when funding reached with immediate payout skip MS to ACCEPTED (waiting for payment)
* email: fix another trailing link space
* arbiter may not be team-member
* add proposal hybrid property is_failed, true if not funded past deadline
* do not allow setting arbiter on failed proposals
* fix matching and arbiter related tests
877bc53332