HDF5, OSP, xregion and Lynn's patch for compiling

What's Changed

• Fix performance bug in multi-plane ROI saving code by @gputnam in #333
• Add support for new ways to configure Xregion bounds for #329 by @brettviren in #336
• Remove h5cpp in favor of just HDF5 C API. by @brettviren in #314
• Chunking by @HaiwangYu in #340
• Compiler error and some DNNROI related updates by @HaiwangYu in #344

New Contributors

• @gputnam made their first contribution in #333

Full Changelog: 0.29.0...0.29.1