Conflicts:
	MeshLib/Elements/Element.cpp
	MeshLib/Elements/Element.h

added test application for mesh reading, fixed some bugs, reading and creating a mesh is working now; Mesh is (for now) a friend of Node, this should be fixed soon.

changed size_t to unsigned; included a few (yet unimplemented) methods for mesh-consistency checking

Integrate logog library for logging

- fixed some warnings regarding the sequence of attributes in header file and initializer list in constructor

git-subtree-dir: Base/logog
git-subtree-split: 9f14a8af27b0c2cfe4299d0b823798a0e3bb6198

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.