Some small logic fixes.

- Make sure to reopen revived wells.
 - Do not use thp limit for potential calculations when well is bhp controlled.
 - Stopped wells do not check controls.
 - Set thp to control when appropriate in updateWellStateWithTarget().

opm/simulators/wells/WellInterface_impl.hpp

@@ -449,6 +449,9 @@ namespace Opm
                       WellState& well_state,
                       Opm::DeferredLogger& deferred_logger) /* const */
     {
+        if (this->wellIsStopped()) {
+            return;
+        }
 
         const auto& summaryState = ebos_simulator.vanguard().summaryState();
         const auto& well = well_ecl_;