The WRITE test was a mere convenience to create and inspect a summary
file, but this should instead be moved to applications or examples, and
out of tests. The helper class setup now has a destructor that will
automatically attempt to clean up the files produced by ert.
Support for the creation and output of ecl-compatible SUMMARY-section
configured files. Supports a set of Well keywords, with unit conversions
based on user request, and comes with a test suite.
