Added passing of "Null Space" (rigid body modes) to MueLu.  Right now this is deactivated
by default b/c there is some issue w/ the rbms working in MueLu that I am working with MueLu
developers to resolve.
Merge branch 'master' of software.sandia.gov:/space/git/Trilinos
CMake Nightly Test builds: update to cuda build scripts on Perseus
Tpetra: MultiVector: Fixed build error.

Build/Test Cases Summary
Enabled Packages: Tpetra
0) MPI_DEBUG => passed: passed=74,notpassed=0 (1.53 min)
1) SERIAL_RELEASE => passed: passed=53,notpassed=0 (3.28 min)
IOSS: Better support for auto-decomposition in Trilinos build

(From Sierra)
SEACAS: aprepro - cubit integration changes

(From Sierra)
stk_io: provisional change to IossBridge to support int64_t fields.

  * for gerrit review only - add cases to check type of field on input/output
      to allow for int64_t fields, needed for Percept rebuild of family tree

(From Sierra)
SEACAS: aprepro_lib - add option to parse input from a vector of std::strings

(From Sierra)

Build/Test Cases Summary
Enabled Packages: SEACASAprepro_lib, SEACASExodus, SEACASIoss, STKIO
Disabled Packages: PyTrilinos,SEACASExo2mat,SEACASMat2exo,Optika,STKClassic,Sundance
Enabled all Forward Packages
0) MPI_DEBUG => Skipped configure, build, test due to no enabled packages! => Does not affect push readiness! (-1.00 min)
1) SERIAL_RELEASE => Skipped configure, build, test due to no enabled packages! => Does not affect push readiness! (-1.00 min)
2) MPI_DEBUG_SS => passed: passed=67,notpassed=0 (65.73 min)
3) SERIAL_RELEASE_SS => passed: passed=17,notpassed=0 (13.75 min)
Other local commits for this build/test group: ab4999a, 9b3dc6b, e26b03e
zoltan2:preparing for comm.  removed one warning.
Ifpack: Adding test for User Partitioning w/ variable block sizes

Build/Test Cases Summary
Enabled Packages: Ifpack
0) MPI_DEBUG => passed: passed=46,notpassed=0 (15.44 min)
1) SERIAL_RELEASE => passed: passed=44,notpassed=0 (2.77 min)
zoltan2:setting up for comm
zoltan2:setting up for comm
zoltan2:removed warning