Update CHANGELOG
Update CHANGELOG

Add notes about a few recent contributions.

Change-Id: I32a4f0aa1cb4afcd03226c2a263dc4f1798a5d5c
Reviewed-on: https://gerrit.causes.com/32341
Tested-by: jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@causes.com>
Reviewed-by: Shane da Silva <6f6e68d1df92f30cb4b3ce35260ddf94a402f33d@causes.com>

artemartemov/scss-lint-hdm