Changes in SPEC OMP V3.1

Changes in OMP2001 V3.1

Updated tool set to support more Linux versions.
The previously required Purdue alternate source code for 330.art_m and 331.art_l is now incorporated into the suite.
A fix for a filename mismatch error in fma3d which occurred on some systems.

Results generated with V3.1 are comparable to results generated with V3.0.