Add -llikwid to all compile cmds in test. Helps for testing where LIKWID_LIB contains only the path (-L) but not the library (-l)

Make library tester more flexible. Failed on Xeon Phi KNL due to NUMA domains with no attached CPUs (HBM flat NUMA domains)

allow external lua
Fixes the Lua part in issue #71

Merge branch 'master' of https://github.com/RRZE-HPC/likwid

likwid-bench: Change 'cycles per cacheline' back to the original meaning 'cycles per output work unit' (often a cache line)

Fix for L2 to L3 evict volume metric in all CACHES.txt
A copy&paste bug. Thanks for fixing it.