Search for massive colored scalars in four-jet final states in root s=7 TeV proton-proton collisions with the ATLAS detector RID A-4857-2011 RID A-9201-2012 RID B-1016-2012 RID A-6738-2012 RID A-9192-2012 RID C-1161-2011 RID B-1432-2012 RID B-4633-2010 RID B-6717-2011 RID C-9883-2009