Merge branch 'enable_POP_reader_tests'
Enabling auto-download of UVCDAT_TestData on yavin.
Merge remote-tracking branch 'devel/enable_yavin_UVCDAT_TestData' into devel-master

* devel/enable_yavin_UVCDAT_TestData:
  Enabling auto-download of UVCDAT_TestData on yavin.