Ramon Nou authored Nov 05, 2020 and Ramon Nou committed Dec 07, 2020

Added dirents_extended to get directory entries of a dir and a single server, added find proposal for io500, added tests

This reverts merge request !64

Restructuring code w.r.t. configurations and definitions:
- #defines have been mostly removed from configurations
- a dedicated config file has been added for configurations with constexpr
- past configure file is now only a cmake wrapper
- wrapping global functions into namespaces

Removed all adafs and ifs occurrences. Now called gkfs

From now on the changelog will adhere to the https://keepachangelog.com/en/1.0.0/ format