Use new style of prerequisite declaration

The prerequisites are now declared in their own file, so it can be
included by the main system. There is thus only one canonical place
where the list of prerequisites exist.

cmake/Modules/Findopm-verteq.cmake

@@ -11,16 +11,15 @@
 # This code is licensed under The GNU General Public License v3.0
 
 # use the generic find routine
+include (opm-verteq-prereqs)
 include (OpmPackage)
 find_opm_package (
   # module name
   "opm-verteq"
 
   # dependencies
-  "CXX11Features;
-  Boost 1.39.0
-    COMPONENTS system unit_test_framework REQUIRED;
-  "
+  "${opm-verteq_DEPS}"
+
   # header to search for
   "opm/verteq/verteq.hpp"