Gruntfile: Clean up `rsync` options
Gruntfile: Clean up `rsync` options

Mtmotahar/devopera,cvan/devopera,Jasenpan1987/devopera,Mtmotahar/devopera,kenarai/devopera,initaldk/devopera,operasoftware/devopera,andreasbovens/devopera,payeldillip/devopera,initaldk/devopera,erikmaarten/devopera,paulirish/devopera,paulirish/devopera,kenarai/devopera,operasoftware/devopera,cvan/devopera,simevidas/devopera,payeldillip/devopera,SelenIT/devopera,operasoftware/devopera,shwetank/devopera,cvan/devopera,Jasenpan1987/devopera,SelenIT/devopera,andreasbovens/devopera,payeldillip/devopera,cvan/devopera,initaldk/devopera,SelenIT/devopera,Jasenpan1987/devopera,shwetank/devopera,simevidas/devopera,kenarai/devopera,simevidas/devopera,initaldk/devopera,Mtmotahar/devopera,michaelstewart/devopera,kenarai/devopera,payeldillip/devopera,andreasbovens/devopera,operasoftware/devopera,paulirish/devopera,michaelstewart/devopera,erikmaarten/devopera,michaelstewart/devopera,Jasenpan1987/devopera,erikmaarten/devopera,shwetank/devopera,erikmaarten/devopera,paulirish/devopera,SelenIT/devopera,Mtmotahar/devopera,michaelstewart/devopera,simevidas/devopera