GitLab

* And use that if available.

* It's at the moment identical to the 1D test. That will change with the next commit.

* This also adds separate documentation, header, Fortran wrappers and
  pkg-config file for the cdi-pio part of the library

* This will allow for later additions of more complex tests.

* The added pkg.m4 accounts for pkg.m4 sometimes not being available or
  having another version.

* If these are set they already override the corresponding variable.
* Also reduce number of spurious linefeeds in configure.

* Makefile.am became desynchronized from Makefile.in.

This reverts commit r2206.

This reverts commit r2212.

* Also add streamWriteVarPart to public API.

* Now autoconf 2.69 and automake 1.11.5 are used.

* This ensures dependencies on the library are generated.