compile code and tests

Set up `ParaGridIO_Xios` as a copy of `ParaGridIO` for now #293

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Run time

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Job	Run time
test-ubuntu-mpi-xios	3m 40s
test-ubuntu-mpi-noxios	2m 57s
test-ubuntu-serial	6m 9s
test-mac-serial	3m 17s
	16m 3s