Fixing bug in quad1planestrain element
Adding Hordijk softening law and reduced integration
Allowing one-point integration
Unifying the evaluation of crack band width (is now independent of the number of Gauss points)
Correcting test of composite damage material
Fixed translation of numerical keyword values to strings (like stresses, strains).
Update of sm lattice model and test of randomfield
correction of previous commit
Added README for documentation (doc/README), removed dependency on external robot tool, common include files moved to doc/include
Merge branch 'master' of http://www.oofem.org/git/oofem

Conflicts:
	src/oofemlib/internalstatetype.h
Merge branch 'master' of http://www.oofem.org/git/oofem
Fixed randomfieldgenerators as functions.
Merge branch 'master' of https://github.com/Micket/oofem