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MIGraphX verification by default uses normalized RMS error as the basis for the verification.  This change adds some logic to allow migraphx to do "np.allclose" type of elementwise verification using atol and rtol.

Commit also includes changes to consistently pass "gold" or "expected" results as the second argument for "verify_range()" calls.  Default RMS tolerance inside driver is set to 0.001 which IMO is high for FP32 compared to what we had earlier. Need better defaults

Co-authored-by: Sam Wu <sam.wu2@amd.com>
Co-authored-by: Paul <pfultz2@yahoo.com>

* Add driver flag "--exhaustive-tune" to enable tuning, add support for the same in C/C++ and python API

* Fix and change doc CMakeLists
1. Fix include directory location with hange from #1088
2. Create a DoxygenWarningLog.txt file in <build_dir>/doc/doxygen
3. Move compiled html or pdf files to <build_dir>/doc/[pdf, html]