Added implementation to read BoundaryCondition.
Using std::string instead of QString for file name.

Wrapps readFile(QString).
[2dGWFlow] Add test program body that includes reading of mesh and geo.
[2dGWF] Added comments.
Removed definition of 'int XmlGmlInterface::readFile(std::string const&)'.
First test for reading FEM condition.
Changed signature of virtual Writer::write().
Adding MeshGeoToolsLib to FemTest project.
Using read fem conditions generating mesh node ids.
Linking 2dGroundWaterFlow with vtk and Qt in case of Gui build.
Changed constructor argument from pointer to reference.
Corrected bug searching the mesh ids.
[BoostXmlCndInterface] Made reading/parsing of geometry tag xml more clear.
Added class MeshNodesToPoints for converting mesh nodes to geometric points for visualization.
Added output of found mesh nodes for visual inspection.
Added CondType _type to decide what type of condition should be written.
Added some code for writing conditions to xml file.
[2dGWFlow] Using VTK-6.0 libs.
Added AssemblerLib to the list for the linker.
Reformated code in SimpleGroundWaterFlow.cpp.