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

Wrapper classes CompressBZip2 and CompressZfp implemented
Under transform/compress and adding examples and tests
Added/Modified cmake files
Makign changes to cmake from PR review

To do:
Add more tests

helloBPWriterXML examples (C++ and python) to
They won't compile as part of examples.

Verified MPI and sequencial version

Initial implementation of XML running with helloBPWriter example
Corrected bug in ADIOS.cpp when detecting IO in ConfigFile