ControlMode is left undefined if it unset in deck.
Will not update WellControls if cmode == CMODE_UNDEFINED
Bug in well_index increment in WellsManager
Updated WellsManager testing
Minor whitespace fixup
Merge pull request #666 from joakim-hove/WCONDPROD-SHUT

Wcondprod shut
Merge remote-tracking branch 'upstream/master' into timestepcontrol