changed chose to choose

- add cryptonight_heavy derivate cryptonight_bittube2
- add coin bittube
- remove coin ipbc because this coin is now called bittube

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

- add ryo currency
- update documentation

solve #1494

- add algorithm `cryptonight_v7_stellite` (internal named: `cryptonight_stellite`)

- add algorithm `cryptonight_lite_v7_xor`
- update documentation

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

the signatures for the next release will be in the release note itself

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>

Changed capitalization of "macOS"

Squashed the commit

- add separate file for developer pgp key's

:)

Add cheksums

- add CMake flag description
- announce Monero and Aeon in README.md
i add FAQ section

- add more documentation
- split documentation into different files

Just deleted repeated word :)