Move everything under the guecs/ directory in src/ so that it meshes better with other projects.

include/guecs/sfml/backend.hpp

@@ -1,4 +1,4 @@
-#include "guecs.hpp"
+#include "guecs/ui.hpp"
 
 namespace sfml {
   class Backend : public guecs::Backend {

include/guecs/sfml/components.hpp

@@ -1,8 +1,8 @@
 #pragma once
 #include <SFML/Graphics.hpp>
-#include "dbc.hpp"
-#include "sfmlbackend/color.hpp"
-#include "lel.hpp"
+#include "guecs/dbc.hpp"
+#include "guecs/sfml/color.hpp"
+#include "guecs/lel.hpp"
 #include <string>
 #include <memory>
 #include <functional>

include/guecs/ui.hpp

@@ -1,6 +1,6 @@
 #pragma once
-#include "dbc.hpp"
-#include "lel.hpp"
+#include "guecs/dbc.hpp"
+#include "guecs/lel.hpp"
 #include <string>
 #include <memory>
 #include <functional>
@@ -8,7 +8,7 @@
 #include <queue>
 #include <typeindex>
 #include <unordered_map>
-#include "sfmlbackend/components.hpp"
+#include "guecs/sfml/components.hpp"
 
 namespace guecs {
   using std::shared_ptr, std::wstring, std::string;