Imported from SVN: r2251 at branches/cmake

  after configure)
- Make CMake module installation path configurable
- Detect CMAKE_MODULE_PATH automatically
  + First call find_package(dune-common) to query its CMAKE_MODULE_PATH
  + Then setup the module path
  + After each find_package of dune module update the CMAK_MODULE_PATH
  + each module exports ist own <package-name>_MODULE_PATH in the
  + package configuration files


Imported from SVN: r2247 at branches/cmake

Imported from SVN: r2227 at branches/cmake

Imported from SVN: r2225 at branches/cmake

With manual corrections cmake now configure the module.
Build is still untested and will probably fail!


Imported from SVN: r2200 at branches/cmake