Added VS_DOTNET_REFERENCES_HINT_PATH_ONLY Target Property

[Source/cmVisualStudio10TargetGenerator.cxx]
- Added code to capture the VS_DOTNET_REFERENCES_HINT_PATH_ONLY
target property if it is set on a target.  If it
is, the expectation is that the value for this property
will be a semicolon delimited string naming one or more
references that should only contain the <HintPath> tag and
not other tags within the body of the Reference declaration.

This Commit Addresses cmake/cmake#19621
Status Job ID Name Coverage
  External
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