Merge from joakim/wellmanager
New constructor for WellsManager that also takes the new parser as argument. New test comparing old and new
Changed new WellsManager constructor to take in EclipseStateConstPtr instead of SchedulePtr
Changed phaseUsageFromDeck to use eclipseState
Merged from upstream/opm-parser-integrate
Removes the WELSPECS usage in WellsManager constructor. Step 1 in rewrite of constructor
Merge pull request #460 from flikka/wells-manager-parser-integrate

Migrating WELSPECS part of WellsManager constructor