Adds Kevin McDonald to AUTHORS
Adds Kevin McDonald to AUTHORS

Elastica/kombu,jindongh/kombu,andresriancho/kombu,Elastica/kombu,iris-edu-int/kombu,tkanemoto/kombu,xujun10110/kombu,mverrilli/kombu,mathom/kombu,alex/kombu,alex/kombu,romank0/kombu,daevaorn/kombu,andresriancho/kombu,celery/kombu,mathom/kombu,tkanemoto/kombu,daevaorn/kombu,urbn/kombu,cce/kombu,jindongh/kombu,bmbouter/kombu,bmbouter/kombu,romank0/kombu,iris-edu-int/kombu,ZoranPavlovic/kombu,cce/kombu,xujun10110/kombu,numb3r3/kombu,mverrilli/kombu,numb3r3/kombu,ZoranPavlovic/kombu