Measurement of branching fractions and search for CP-violating charge asymmetries in charmless two-body B decays into pions and kaons RID A-8798-2012 RID C-2728-2008 RID A-2675-2009 RID C-5223-2009 RID F-2602-2010 RID C-5719-2008 RID A-8865-2012 RID D-1189-2011 RID E-8846-2011