vtkxmlexportmodule can now handle nodes containing velocity and displacement dofs correctly
Removed unused, deprecated code (NLB matrix is replaced by BH matrix for solid elements).
Cleaned up some of the q****-elements.
Merge branch 'master' of github.com:Micket/oofem
Added function for computing IP values in global c.s.
Merge branch 'master' of https://github.com/Micket/oofem
Merge branch 'master' of https://github.com/Micket/oofem
Merge branch 'master' of https://github.com/Micket/oofem

Conflicts:
	src/sm/q4axisymm.C
	src/sm/qplanestraingrad.C
	src/sm/qplanestressgrad.C
	src/sm/qspacegrad.C
	src/sm/qtrplanestraingrad.C
	src/sm/qtrplstrgrad.C
	src/sm/qtrspacegrad.C
	src/sm/qtruss1d.C
	src/sm/qtruss1dgrad.C
	src/sm/qwedgegrad.C
Fixed error introduced when renaming giveCoordinate in GaussPoint.
Merge branch 'master' of https://github.com/Micket/oofem