OPM/opm-core — pull request #164 by atgeirr (2013-02-25 16:51:09+00:00)
Title: Remove confusing GNUmakefile and document cmake building process.

The GNUmakefile is potentially confusing to users. It is not cross-platform in any way, and the (laudable) goal of making users use nice and make -j is now handled by the README.