Implemented Transform class API, and BZip2, Zfp wrappers

Podhorszki, Norbertrequested to merge
github/fork/williamfgc/compress into master

Created by: williamfgc

Wrapper classes CompressBZip2 and CompressZfp implemented Under transform/compress and adding examples and tests Added/Modified cmake files

To do: Add more tests Add BP format support

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