Update changelog.

Signed-off-by: crynobone <crynobone@gmail.com>
Update underscore file path.

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

Signed-off-by: crynobone <crynobone@gmail.com>
Prepare for 2.2.0 release.

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