- client, work fetch policy.  Change policy for projects w/ GPU exclusions
- client (FreeBSD): detect running on batteries; from rustyBSD
- client: add <fetch_on_update> config option;
    requests work when you update a project
    even if it's not highest priority
Create unified OpenCL sample
Create unified OpenCL sample
Create unified OpenCL sample; update to use boinc_get_opencl_ids();fix bugs
samples/openclapp: delete obsolete make file
Create unified OpenCL sample; update Windows projects
Create unified OpenCL sample; delete obsolete separate NVIDIA OpenCL sample files