v1.3.1
Add header copyright even to unchanged files to adhere to stricter packaging requirements.
Meson can now switch off individual executables and will stop/error when trying to build without dependencies.

v1.3
Rebranding to "new session manager"
Upstream GUI tools "non-session-manager" and "nsm-proxy" converted to standard FLTK instead of a custom toolkit
New message /nsm/gui/session/root raises NSM_API_VERSION_MINOR from 0 to 1 (1.0 -> 1.1)
Changed build system to meson
License upgraded to GPLv3
Simplified file structure
Fix compiler warnings.

v1.2.1
Current state of upstream Non Session Manager including unreleased /nsm/gui/session/root