Features: cxx_trailing_return_types was supported in MSVC 2013.
Try and get compile features test to work with MSVC2010 - 2013
Features: MSVC trailing_return_types support was added in 2010.
Features: Don't test cxx_contextual_conversions with MSVC.

VS2013 and above to conform to the updated cxx_contextual_conversions proposal,
but VS2010 and above pass the test. I am hesitant to say that VS2010 and above
meet all the requirements of the proposal currently.
Merge topic 'feature_record_msvc' into next

61348b0d Features: Don't test cxx_contextual_conversions with MSVC.
b27b068b Features: MSVC trailing_return_types support was added in 2010.
a07ece6a Try and get compile features test to work with MSVC2010 - 2013
d8f626b3 Features: cxx_trailing_return_types was supported in MSVC 2013.