move smt params to params directory, update release.yml

src/params/theory_seq_params.cpp

@@ -0,0 +1,26 @@
+/*++
+Copyright (c) 2018 Microsoft Corporation
+
+Module Name:
+
+    theory_seq_params.cpp
+
+Abstract:
+
+    Parameters for sequence theory plugin
+
+Revision History:
+
+
+--*/
+
+#include "params/theory_seq_params.h"
+#include "params/smt_params_helper.hpp"
+
+void theory_seq_params::updt_params(params_ref const & _p) {
+    smt_params_helper p(_p);
+    m_split_w_len = p.seq_split_w_len();
+    m_seq_validate = p.seq_validate();
+    m_seq_max_unfolding = p.seq_max_unfolding();
+    m_seq_min_unfolding = p.seq_min_unfolding();
+}