added some basic functionality (get, add, etc.) and introduced an example finite element class for tetrahedra

Fixed OpenMP build on Windows.

special conds for windows setup integrated - path for metis and inclusion of winmm.lib for time measurements

Added doc make target for doxygen documentation generation. See http://ufz.github.com/devguide/configure-cmake-options for details.

* commit '85fb0c61':
  Some renaming.
  Code coverage with lcov module.
  This is version 5.2.07 by LB / TF / KR.
  Squashed commit of the following:
  Moved some CMake modules to cmake/.
  Moved some CMake modules to cmake/.
  Updated README for pushing.
  Added missing cmake module.
  Some basic info.
  Import of modules from https://github.com/rpavlik/cmake-modules.
  Initial commit.

Conflicts:
	scripts/cmake/cmake/FindMSVCRedist.cmake
	scripts/cmake/cmake/OptionRequires.cmake

* commit 'ace8b6e9':
  Code coverage with lcov module.
  This is version 5.2.07 by LB / TF / KR.
  Squashed commit of the following:

Conflicts:
	FindMSVCRedist.cmake
	OptionRequires.cmake

implemented new class CRSMatrixReorderedOpenMP which uses Nested Dissection reordering and OpenMP for matrix vector multiplication