HDF5 Function can be saved as a time series, but not read back in.

[Chris Richardson]

There is a typo in HDF5File.cpp which prevents the (undocumented) read feature of HDF5 Function read of a vector in a time series.

Update documentation and fix, add test.

[Chris Richardson]

Fix now in master

[Prof Garth Wells]

Removing milestone: 1.5 (automated comment)