Rework Macros.hpp for devices

[tbeltzun]

The MSG argument fo the LVARRAY_ERROR_IF is useless when used on a GPU (device):

LvArray/src/Macros.hpp

Line 148 in 86af5bf

"***** MSG: " STRINGIZE( MSG ) "\n\n"; \

For example, the expression in

LvArray/src/ArraySlice.hpp

Lines 56 to 57 in 86af5bf

	LVARRAY_ERROR_IF( index < 0 || index >= m_dims[ 0 ], \
	"Array Bounds Check Failed: index=" << index << " m_dims[0]=" << m_dims[0] )

is printed as Array Bounds Check Failed: index= << index << m_dims[0]= << m_dims[0] in the stacktraces (unevaluated, hence not helpful).

One could use printf or snprintf together with MSG and ... variadic macros arguments which can be used as printf(MSG, __VA_ARGS__); maybe in combination with __VA_OPT__.