- remove all cryptonight coins (algorithm cryptonight can still be used)
- update README.md

- add ryo currency
- update documentation

- update pools.txt
- add new algorithm `cryptonight_haven`
- update all backends

- add algorithm `cryptonight_lite_v7_xor`
- update documentation

- fix dev pool algorithms
- add note to `pools.tpl`
- remove pool suggestion

- expose cryptonight_lite_v7, cryptonight_heavy and cryptonight_v7
- remove cryptonight_lite

- documentation: change `aeon` to `aeon7`
- change `case` order in `switch` statements
- update README.txt

fix #1202

Co-authored-by: psychocrypt <psychocryptHPC@gmail.com>
Co-authored-by: fireice-uk <fireice-uk@users.noreply.github.com>
Co-authored-by: Lee Clagett <code@leeclagett.com>
Co-authored-by: curie-kief <curie-kief@users.noreply.github.com>