Fix vs2017 issues

* release:
  fix: only delete array if it was allocated
  Fix Circle CI to use the correct _ROOT variables
  Change EVPATH -> EVPath in CMake for consistency and best practices
  Cleanup SST's CMake
  Remove spurrious use of mpi.h
  Make SST dependent on MPI for now
  Allow SST examples to work with and without MPI
  Consistently use the PackageName_ROOT CMake variable

fix: only delete array if it was allocated

Cleanup cmake

* release: (24 commits)
  removed heatTransferDataMan example
  Clang-format
  turn off VS 2017 build in appveyor
  Added Atttributes to Python bindings
  minor changes
  heat transfer example worked with DataManWriter with callback based DataManReader
  Changes in Fortran and BP metadata buffer write
  Moved const restriction to WriteStep and added Fortran error messages
  refined transports parameters
  Formatting and install fortran modules
  Formatting and install fortran modules
  Dimensions to int64_t and begin_step
  - pass timeout as value in adios2_begine_step() (#25)
  added heatTransfer_dataman
  Issue #352 allow 0 index in selection for Fortran
  Added write_step function
  Added BeginStep bindings
  Fortran API
  BP over WAN worked
  Fixing bug and added Macros
  ...

 heat transfer example worked with DataManWriter with callback based DataManReader

Fortran bindings

turn off VS 2017 build in appveyor

Fortran bindings support for global variables (with test)
Added Fortran function name in error message to improve debug info
Added parameter (FlushStepsCount) control flushing of BP metadata files
at Write

Working on Fortran WriteRead test

* 'f90_tests' of https://github.com/williamfgc/adios2:
  Formatting and install fortran modules

William F Godoy authored 7 years ago and Godoy, William committed 7 years ago

Dummy doxyfile

* 'f90_tests' of https://github.com/williamfgc/adios2:
  - pass timeout as value in adios2_begine_step() (#25)

- trim and convert string to C string in adios2_init_config()