Bump version number for release of v2.4.0.

Bump version number for release of v2.3.4

Bump up version number in manpages too.

Update README.md

Bump version to 2.1.3 for release.

Update to version 2.1.2 for minor release...

Increment version to 2.1.0: main highlight is Windows WSL support wit…

…h native Windows notifications.

Add --noupdaterc switch to install.sh to avoid appending to *rc file.…

… This is especially useful for package management.

Update README.md

Update README.md