do explicit put properties into the the Ewoms::Properties namespace anymore

instead, do it implicitly by using the BEGIN_PROPERTIES and
END_PROPERTIES macros.

tests/models/test_propertysystem.cpp

@@ -35,8 +35,7 @@
 
 #include <iostream>
 
-namespace Ewoms {
-namespace Properties {
+BEGIN_PROPERTIES
 
 ///////////////////
 // Define some hierarchy of type tags:
@@ -125,8 +124,7 @@ SET_INT_PROP(HummerH1, TopSpeed, GET_PROP_VALUE(TTAG(Pickup), TopSpeed));
 // Unmount the canon from the Hummer
 UNSET_PROP(HummerH1, CanonCaliber);
 
-} // namespace Properties
-} // namespace Ewoms
+END_PROPERTIES
 
 
 int main()

tests/test_ecl_output.cc

@@ -75,12 +75,13 @@
             std::abort();                  \
     }
 
-namespace Ewoms {
-namespace Properties {
+BEGIN_PROPERTIES
+
 NEW_TYPE_TAG(TestEclOutputTypeTag, INHERITS_FROM(BlackOilModel, EclBaseProblem));
 SET_BOOL_PROP(TestEclOutputTypeTag, EnableGravity, false);
 SET_BOOL_PROP(TestEclOutputTypeTag, EnableAsyncEclOutput, false);
-}}
+
+END_PROPERTIES
 
 static const int day = 24 * 60 * 60;
 

tests/test_equil.cc

@@ -66,10 +66,11 @@
             std::abort();                  \
     }
 
-namespace Ewoms {
-namespace Properties {
+BEGIN_PROPERTIES
+
 NEW_TYPE_TAG(TestEquilTypeTag, INHERITS_FROM(BlackOilModel, EclBaseProblem));
-}}
+
+END_PROPERTIES
 
 template <class TypeTag>
 std::unique_ptr<typename GET_PROP_TYPE(TypeTag, Simulator)>