MueLu: compiler warning fix.
MueLu: fix another compiler warning
MueLu: Extending Lightweight graph to PDE systems

Only for case of no dropping.
Partial code consolidation.
MueLu: Further map amalg. work

This is temporary, not sure it even compiles...
ML: add matrix market reading example
Stratimikos: adding stochastic CG to interface

Exposing stochastic CG in Belos through XML.  Also cleaned up some shadow warnings.
Tpetra: documentation

Making the matrix matrix multiply visible in doxygen.
Ifpack: changes to doxygen only

Adding reference for relaxation parameter in RILU.
MueLu: util to convert Xpetra map to T/Epetra
MueLu:  Further consolidation of CoalesceDrop

Moved a few common blocks of code to their own private methods.
ML: small compiler fix for new example
Stratimikos: fix mismatch in doc array length.
Zoltan2: fixing compile error

Moving machine.txt to data directory that cmake is looking in.
ML: fixing compile error

Header for Teuchos commandline processor was only being included in parallel.  Oops.
MueLu: fix compiler error in debug mode
ML: adding matrix data file for reader example

Build/Test Cases Summary
Enabled Packages: Ifpack, ML, MueLu, Stratimikos, Tpetra, Zoltan2
Disabled Packages: MOOCHO
Enabled all Forward Packages
0) MPI_DEBUG => passed: passed=615,notpassed=0 (5.53 min)
1) SERIAL_RELEASE => passed: passed=557,notpassed=0 (2.21 min)
2) MPI_SS_DEBUG => passed: passed=466,notpassed=0 (17.20 min)
3) SERIAL_SS_DEBUG => passed: passed=420,notpassed=0 (2.11 min)
Other local commits for this build/test group: a845ed1, 6790d60, 7cfa093, a82e9fe, 110a515, 423086c, f0909e4, b56c4c2, bc0254c, f1f497c, 236ec6c, 30d63e5, f975b41, eee998e, 5ab6405
Fixed an index bug in construction
Kokkos: Functor device interface with shared memory for Cuda and Threads devices.
        Protect View copy constructor and assignment operator to disallow View<managed> = View<unmanaged>.
Kokkos: Initialize views with aggregate data types with their scalar_type, not value_type.
Kokkos: Add missing '#include <assert.h>'