PT-1052 include numa information in pt tool output (#547)

* PT-1052: fix for pt-summary

* Re-added fix from commit 71fae6d117 into proper place: library directory
Added tests for PT-1052 (pt-summary only)

* Fixed tests for pt-summary,
set locale for pt-summary tests, so they are not affected by user environment.
Finished tests for PT-1052

* Added fix for PT-1983 into the proper place: library file

* PT-1052: fix for pt-stalk which now includes numastat data

t/pt-summary/samples/Linux/006/memory

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