Add basic CMake buildsystem.

Add the lemon parser (from the sqlite project).

src/test.cpp

@@ -0,0 +1,9 @@
+/* The scully programming language.
+ *
+ * Copyright (c) Peter Dahlberg, Markus Hauschild and Florian Sattler, 2013.
+ * Licensed under the GNU GPL v2.
+ */
+
+int main() {
+    return 0;
+}