Fixed icpc warnings.
XFEM: Implemented computation of enriched N-matrix and added copy
constructors to some XFEM classes.
Switched to pkgconfig for configuring PETSc (one cannot rely on the PETScConfig.cmake file to be correct after installation of PETSc).
Merge branch 'master' of github.com:Micket/oofem
Adding removed renumbering of master dofs (by M. Horak)
Fixing intialization of linear solver in calm (by M. Horak)
Domain: Implemented a function Clone() that copies a domain by using the
dynamic data reader. Implemented giveInputRecord in many classes and
moved numberOfGaussPoints to the Element class.
Optimized rve generator.
Merge branch 'master' of www.oofem.org:/data/git/oofem
Updating to ParMETIS 4.0.3
XFEM: Made domain copying work also with several enrichment items.
Cleaned up XFEM input.
XFEM: Updated test cases with cleaned-up syntax.
Merge branch 'master' of https://github.com/Micket/oofem
Removed debug message.
Merge branch 'master' of github.com:Micket/oofem
Merge branch 'master' of www.oofem.org:/data/git/oofem
Merge branch 'master' of github.com:Micket/oofem

Conflicts:
	src/oofemlib/domain.C
	src/oofemlib/mixedgradientpressureweakperiodic.C
	src/oofemlib/vtkxmlexportmodule.h
	src/oofemlib/xfem/enrichmentdomain.h
	src/oofemlib/xfem/enrichmentitem.C
	src/oofemlib/xfem/enrichmentitem.h
	src/oofemlib/xfem/xfemmanager.C
	src/sm/shell7base.h
	src/sm/tr2shell7xfem.C