These are BOSCO beta tarballs for several platforms.
They were built in the NMI lab from the head of 
V7_9-bosco_1_2-branch (00a83bbe9f3195e66a3a06fde7107a9544a941f2).
The NMI run id was 127231
The NMI gid was jfrey_submit-2.batlab.org_1368523608_29519
boscoinstaller is a copy of bosco_findplatform in the source tree.