doxygen: add a separate group for the ECL black-oil simulator application

note: the doxygen groups are quite a bit behind the curve and should
be overhauled soon. (e.g. now there's not only the vertex centered
finite volume space discretization anymore...)

applications/ebos/ecloutputblackoilmodule.hh

@@ -63,7 +63,7 @@ template <class TypeTag>
 class EcfvDiscretization;
 
 /*!
- * \ingroup EclOutput
+ * \ingroup EclBlackOilSimulator
  *
  * \brief Output module for the results black oil model writing in
  *        ECL binary format.

applications/ebos/eclpeacemanwell.hh

@@ -55,6 +55,8 @@ template <class TypeTag>
 class EcfvDiscretization;
 
 /*!
+ * \ingroup EclBlackOilSimulator
+ *
  * \brief The well model of Peaceman.
  *
  * This class is tailored for the element centered finite volume

applications/ebos/eclproblem.hh

@@ -160,7 +160,7 @@ SET_STRING_PROP(EclBaseProblem, GridFile, "data/ecl.DATA");
 
 namespace Ewoms {
 /*!
- * \ingroup TestProblems
+ * \ingroup EclBlackOilSimulator
  *
  * \brief This problem simulates an input file given in the data format used by the
  *        commercial ECLiPSE simulator.

applications/ebos/eclwellmanager.hh

@@ -48,6 +48,8 @@ NEW_PROP_TAG(Grid);
 
 namespace Ewoms {
 /*!
+ * \ingroup EclBlackOilSimulator
+ *
  * \brief A class which handles well controls as specified by an
  *        Eclipse deck
  */