Merge pull request pkoutoupis#102 from pkoutoupis/feature/prepare_8.2…

….0_release

Preparing release 8.2.0

Release version 8.1.0

Fixed package descriptions, authors file, copyrights and added missin…

…g GPL disclaimers.

Merge pull request pkoutoupis#73 from pkoutoupis/feature/nvme-export-…

…support

Feature/nvme export support

Merge pull request pkoutoupis#64 from pkoutoupis/feature/support_newe…

…r_libmicrohttpd

Feature/support newer libmicrohttpd

Merge pull request pkoutoupis#61 from pkoutoupis/feature/writecache_c…

…li_wrapper

Feature/writecache cli wrapper

Updated copyrights

Fixed typo in utility Makefile

Merge pull request pkoutoupis#51 from pkoutoupis/feature/rapiddiskd_a…

…pi_daemon

Feature/rapiddiskd api daemon

Merge pull request pkoutoupis#44 from pkoutoupis/staging/release_6.1

Staging/release 6.1