Unify isoltest and soltest options code

Also provide a default value for ipc-path, which is the same one as aleth uses.

test/tools/IsolTestOptions.h

@@ -0,0 +1,38 @@
+/*
+	This file is part of solidity.
+
+	solidity is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	solidity is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file IsolTestOptions.h
+ */
+
+#pragma once
+
+#include <test/Common.h>
+
+namespace dev
+{
+namespace test
+{
+
+struct IsolTestOptions: CommonOptions
+{
+	bool formatted = true;
+	bool showHelp = false;
+
+	IsolTestOptions(std::string* _editor);
+	bool parse(int _argc, char const* const* _argv) override;
+};
+}
+}