Squashed commit of the sb-vbs branch.

Includes the SD-VBS benchmarks modified to:
- Use libextra to loop as realtime jobs
- Preallocate memory before starting their main computation
- Accept input via stdin instead of via argc

Does not include the SD-VBS matlab code.

Fixes libextra execution in LITMUS^RT.

1 files changed, 3100 insertions, 0 deletions

diff --git a/SD-VBS/common/toolbox/lagrcv/test/img1.ppm b/SD-VBS/common/toolbox/lagrcv/test/img1.ppm
new file mode 100755
index 0000000..da1e24c
--- /dev/null
+++ b/SD-VBS/common/toolbox/lagrcv/test/img1.ppm
@@ -0,0 +1,3100 @@
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