Make cppu::UnoType<decltype(x)>::get() work when x is of reference type
Make cppu::UnoType<decltype(x)>::get() work when x is of reference type

...using C++11-only std::remove_reference, but decltype is also only C++11, so
3rd party C++03 code should have no need for it anyway.  (Commits acutally
making use of it to follow shortly.)

Change-Id: I8dd7a64ca73d2082a3e7b74d3599848e65e81da5

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core