OPM/opm-core — pull request #581 by joakim-hove (2014-04-22 08:42:18+00:00)
Title: Grid manager eclipse grid constructor

**Warning: This PR depends not yet merged PRs in opm-parser and ERT.**

Added a `GridManager` constructor which takes a `Parser::EclipseState::EclipseGrid` instance as argument. Will remove deck based construction in a following PR.