-lblas as default

We removed openblas as default, because it is not thread-safe.
To overrride please create a myconfig.psiTag file with
dependency BLAS = (
  LDFLAGS += /path/to/your/blas.so or .a
)

and run
./configure.pl -c myconfig.psiTag

TestSuite/inputs/ConfigBase.psiTag

@@ -118,7 +118,7 @@ LDFLAGS += -llapack
 )
 
 dependency BLAS = (
-LDFLAGS += -lopenblas
+LDFLAGS += -lblas
 )
 
 dependency pthreads = (