Update CHANGELOG.
Update CHANGELOG.

goodeggs/grunt,vladikoff/grunt,r14r-work/fork_grunt_master,IveWong/grunt,paladox/grunt,abraheem/grunt,imjerrybao/grunt,zackexplosion/grunt,eelve/grunt,ThiagoGarciaAlves/grunt,thejameskyle/grunt,shama/grunt,arosa81/grunt,FeodorFitsner/grunt,pandeysoni/grunt,modulexcite/grunt,paulcbetts/grunt,yosiazwan/grunt,Chhunlong/grunt,JaKXz/grunt,felixgrey/grunt,fscherwi/grunt,yuhualingfeng/grunt,thecc4re/gruntjs,yonglehou/grunt,youmyyou/grunt,r14r/fork_grunt_master,coldrye-collaboration/grunt,lkiarest/grunt,q310550690/grunt