Update project description.

Signed-off-by: crynobone <crynobone@gmail.com>
Use long text.

Signed-off-by: crynobone <crynobone@gmail.com>
Prepare for v2.2.1 release.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.2'

Signed-off-by: crynobone <crynobone@gmail.com>

Conflicts:
	README.md