Fixed transpose of dNdx matrix in FEI3dTetQuad. Fixed surfaceEvaldNdX in linear and quadratic tet interpolators.
Leftover fixes.
Added preliminary support for printing external forces vector in VTKXML
Fixed surface tension for 3D elements.
Merge branch 'master' of https://github.com/Micket/oofem
Fixed bug introduced in weakperiodicbc.
Leftover changes in OOFEMTXT.
Fixed hidden function.
Added some missing functionality to give access information in-code that is normally printed in out-files.
Added error checking export module (essentially the python extractor functionality).
Added support for default tolerance to the errorcheck module.
Fixing up missing things in the error checker.
Added missing giveIPValue implementations for beam
Cleanup of debug printing.
Changed default error type when exporting.
Used when exporting IST_ErrorIndicator, and gives useable results for the lshape test.
Fixed error checking module to work with parallel tests and nondefault integration rules.
Fixed up entire test suite to work with the error checking export module (changed keyword to IST value and added more decimals to values)
Merge branch 'master' of https://github.com/Micket/oofem

Conflicts:
	tests/sm/xfemMultipleCracks1.in
XFEM: Changed tolerance in the xfemMultipleCracks1 test case.
Cemhyd: fixed test cases (changed from time to time step).