adding simple dbs check

kat_test/random/dbs_simple.kat

+l l1 1 0 n1
+l l2 2 0 n2
+l l3 3 0 n3
+l l4 4 0 n4
+
+dbs dbs1 n1 n2 n3 n4
+
+pd P1 n1
+pd P2 n2
+pd P3 n3
+pd P4 n4
+
+pd P1* n1*
+pd P2* n2*
+pd P3* n3*
+pd P4* n4*
+
+noxaxis
+
+gauss g1 l1 n1 1 0
+
+maxtem 0 
+
+gnuterm no
\ No newline at end of file

kat_test/random/reference/dbs_simple.out

+ 0.00000000000000  2.00000000000000  4.00000000000000  1.00000000000000  3.00000000000000  1.00000000000000  2.00000000000000  3.00000000000000  4.00000000000000