Merge branch 'master' into ecb-master

# Conflicts:
#	examples/NK_baseline_steadystate.m
#	matlab/backward/backward_model_irf.m
#	matlab/modules/dseries
#	matlab/occbin/setss.m
#	preprocessor/SymbolList.cc
#	tests/identification/as2007/as2007_steadystate.m
#	tests/identification/kim/kim2_steadystate.m
#	tests/particle/dsge_base2_steadystate.m
#	tests/steady_state/walsh1_old_ss_steadystate.m