Attempting to fix the issue where grunt sometimes hangs when done.
Attempting to fix the issue where grunt sometimes hangs when done.

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