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>

- add new option `comp_mode` to the amd config
- disable `if guards` within opencl kernel if `comp_mode : false`

- add new option for `strided_index`
- add additional option if `strided_index == 2` to controll the memory chunk with

Allow to change the indexing used to address the hash scratchpad memory.

- add option `strided_index` for each gpu

Fixing the compile error on MacOS X

- remove 32bit target value
- use always 64bit target for amd backend

- move source code to `src`
- categorize files and move to group folder
- change upper case class files to lower case
- change C++ header to `*.hpp`

- add backend
- add auto suggestion