Bumping version to 0.4.3.
Bumping version to 0.4.3.

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