added .DS_Store to .gitignore
added .DS_Store to .gitignore

weiliu89/vatic,gautamMalu/vatic,cvondrick/vatic,cvondrick/vatic,vovakkk/vatic,cvondrick/vatic,dingnigefei/vatic,weiliu89/vatic,weiliu89/vatic,baylabs/vatic,weiliu89/vatic,gautamMalu/vatic,vovakkk/vatic,cvondrick/vatic,dingnigefei/vatic,johndoherty/vatic,dingnigefei/vatic,kod3r/vatic,vovakkk/vatic,johndoherty/vatic,dingnigefei/vatic,johndoherty/vatic,vovakkk/vatic,johndoherty/vatic,weiliu89/vatic,kod3r/vatic,cvondrick/vatic,baylabs/vatic,gautamMalu/vatic,baylabs/vatic,baylabs/vatic,gautamMalu/vatic,kod3r/vatic,baylabs/vatic,johndoherty/vatic,kod3r/vatic,dingnigefei/vatic,gautamMalu/vatic,kod3r/vatic