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 (9096f27e93675f1eef0e6e31778ab36b8346ff3a).
The NMI run id was 116282
The NMI gid was jfrey_submit-2.batlab.org_1365525929_31216
boscoinstaller is a copy of bosco_findplatform in the source tree.