Implemented basic buffer reading functionality
Added threading for bp serialization/deserialization
Refactored MPI functionality
Engine is now a reference
Initial Read API

Reduce verbose debug info in CircleCI

Add CircleCI shield

CMake: Use upstream FindHDF5 from CMake 3.9

Fix global array definitions in ADIOS1 test for 2D Arrays

Continuous integration on circle (parallel)

Fortran 90 bindings

Implementation of attribute bp data and index

Testing and Examples issues after merging with master for conflicts
Fixing non-MPI issue
C enums and Fortran parameters now compatible

Conflicts:
	CMakeLists.txt
	bindings/CMakeLists.txt
	bindings/c/adios2/adios2_c_enums.h
	bindings/c/adios2_c.cpp
	bindings/c/adios2_c.h
	cmake/DetectOptions.cmake
	examples/hello/bpWriter/CMakeLists.txt
	testing/adios2/bindings/CMakeLists.txt
	testing/adios2/bindings/c/TestBPWriteTypes_nompi.c

First working examples
To do:
Resolve conflicts
Add tests after merging with current master

C: Make C bindings always on and embedded into libadios2

Misc test improvements

Subroutine based, calls the C bindings using opaque pointers
Working helloBPWriter_f in MPI and nonMPI examples
Separated MPI and nonMPI interfaces in Fortran and C
Passing character array by trimming and adding char(0) null terminated

To do:
Add testing

changed ndim usage for apple compiler