These are BOSCO beta tarballs for several platforms.
They were built in the NMI lab from the head of 
V7_9-bosco-publicbranch (9071289aee7043428ad3f9987512ded4cf7b3307).
The NMI run id was 96361
The NMI gid was jfrey_submit-2.batlab.org_1359027234_2724
boscoinstaller is a copy of bosco_findplatform in the source tree.