Geometric generator migration
Merge branch 'master' of software:/space/git/Trilinos
Zoltan2: Geometric genarator is updated in order to generate prepartitioned data.
	parameter file is added 2 new options.
	predistribution option, which can predistribute data as a result of RCB, MJ or ~checkerboard partitioning.
	perturbation_ratio, the perturbation ratio for the number of the local data whose locations will be perturbed after prepartitioning.
Merge branch 'master' of software:/space/git/Trilinos
Zoltan2: Geometric generator is surrounded with namespace.
MueLu: fixing compilation error

error: no match for ‘operator/’ in ‘Teuchos::as [with TypeTo = std::complex<double>, TypeFrom = size_t]
Ifpack2: documentation change only

Fixing some doxygen/latex problems related to missing \f]'s.
MueLu: added easy xml version of the scalingTest.xml

Seven times smaller and a lot easier to read.
TrilinosCouplings: update Poisson_BlockMaterials

Minor changes:
    * adding Teuchos command line processor
    * make data dumping controllable at runtime
    * also dump owning processor info if dumping data
    * some spacing cleanup