stats: Add a wrapper class for the information side of things. This provides an easy way to provide the callbacks into the data side of things from the info side of things.  Rename Wrap to DataWrap so it is more easily distinguishable from InfoWrap
stats: Add a wrapper class for the information side of things.
This provides an easy way to provide the callbacks into the data side
of things from the info side of things.  Rename Wrap to DataWrap so it
is more easily distinguishable from InfoWrap

pombredanne/http-repo.gem5.org-gem5-,vovojh/gem5,vovojh/gem5,pombredanne/http-repo.gem5.org-gem5-,pombredanne/http-repo.gem5.org-gem5-,vovojh/gem5,pombredanne/http-repo.gem5.org-gem5-,hoangt/tpzsimul.gem5,hoangt/tpzsimul.gem5,hoangt/tpzsimul.gem5,vovojh/gem5,vovojh/gem5,hoangt/tpzsimul.gem5,vovojh/gem5,hoangt/tpzsimul.gem5,hoangt/tpzsimul.gem5,pombredanne/http-repo.gem5.org-gem5-,pombredanne/http-repo.gem5.org-gem5-,pombredanne/http-repo.gem5.org-gem5-,vovojh/gem5,hoangt/tpzsimul.gem5