Update readme.

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

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

Signed-off-by: crynobone <crynobone@gmail.com>
Prepare for v2.1.4 release.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1' into 2.2

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

Conflicts:
	README.md