Move headers into include folder and add single header to include all reachability algorithms

include/algorithm/dynamic_reachability.h

@@ -0,0 +1,18 @@
+#ifndef DYNAMIC_REACHABILITY_H_
+#define DYNAMIC_REACHABILITY_H_
+
+#include "algorithm/decremental_reachability.h"
+
+namespace algo {
+
+template<typename T>
+class DynamicReachability : public DecrementalReachability<T> {
+
+  // Insert edge e(u,v) and maintain the transitive closure matrix
+  virtual void insert(const T& u, const T& v) =0;
+};
+
+
+} // namespace algo
+
+#endif