Submodules for LZMA support and unit testing.
Now building with CMake, using Boost datetime ...

Also includes a better structure for the dukascopy
libarary code.
Add building for Easy LZMA library dependency.

Note we are only build the underlying library.
Migration to using "unsigned char" instead of signed "char".
Code to load extract the bi5 files (LZMA compressed bin files).
GPL v3 License and README.md update.