Allow specifying commit/branch to compare against in asv continuous
Allow specifying commit/branch to compare against in asv continuous

spacetelescope/asv,pv/asv,airspeed-velocity/asv,waylonflinn/asv,mdboom/asv,airspeed-velocity/asv,ericdill/asv,giltis/asv,giltis/asv,qwhelan/asv,edisongustavo/asv,edisongustavo/asv,pv/asv,ericdill/asv,waylonflinn/asv,pv/asv,ericdill/asv,pv/asv,qwhelan/asv,ericdill/asv,mdboom/asv,edisongustavo/asv,spacetelescope/asv,qwhelan/asv,waylonflinn/asv,airspeed-velocity/asv,spacetelescope/asv,airspeed-velocity/asv,giltis/asv,spacetelescope/asv,qwhelan/asv,mdboom/asv,mdboom/asv