TBR: i#1732 drcpusim: add tests for different CPU models

Commit log for first patchset:
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i#1732 drcpusim: add tests for different CPU models

Adds 8 new tests: one sanity check of simple_app and 7 targeted asm tests
for Pentium through Penryn.  The asm tests are Linux-only as it's much
easier to have a pure-static app for these.
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[bruening, 2015-07-30 23:06:48]

Committed as
https://github.com/DynamoRIO/dynamorio/commit/b756d36f5cc0e3a87eff009df840427...

Final commit log: 
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i#1732 drcpusim: add tests for different CPU models

Adds 8 new tests: one sanity check of simple_app and 7 targeted asm tests
for Pentium through Penryn.  The asm tests are Linux-only as it's much
easier to have a pure-static app for these.

Review-URL: https://codereview.appspot.com/252600043
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