S.M.A.R.T. Monitoring Tools Code

Prepare the move of smartmontools from SourceForge svn to GitHub

Create svn tag 'PRE_MOVE_TO_GIT' from svn 'trunk'.
Retire the git 'master' branch.
The git HEAD will be switched to a new independent 'main' branch.

Bump release number to 7.6

Release 7.5 RELEASE_7_5

nvmeprint.cpp: Add NSID to JSON output of SMART/Health information.

Update NEWS.

ataprint.cpp: ACS-6 updates.

popen_as_ugid.cpp: Add missing config.h.

os_win32/update-smart-drivedb.ps1.in: Print download command if
'-Verbose' is used.

os_win32/smartd_mailer.conf.sample.ps1: Add encryption sample.

Merge r5706 into 7.0-7.5 drivedb.h branches.