Move hiredis wrapper into a separate .so

...but the new cmake file has some ugly hacks. Trying to work on
the problems...

src/incredis/script.cpp

@@ -0,0 +1,32 @@
+/* Copyright 2015, 2016, Michele Santullo
+ * This file is part of "dindexer".
+ *
+ * "dindexer" 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.
+ *
+ * "dindexer" 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 "dindexer".  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "script.hpp"
+
+namespace redis {
+	Script::Script() :
+		m_sha1(),
+		m_manager(nullptr)
+	{
+	}
+
+	Script::Script (boost::string_ref parSha1, ScriptManager& parManager) :
+		m_sha1(parSha1),
+		m_manager(&parManager)
+	{
+	}
+} //namespace redis