eepp: Removed PlusCallback dependency.

ecode: Added the possibility to search and replace by replacing captures from Lua Pattern, for example, searching for: "function (%w+)%(%)" and replacing for "fn $1()" will replace the function declaration from "function (functionName)()" to "fn (functionName)()". The feature was used to remove the PlusCallback dependency =).

include/eepp/core.hpp

@@ -3,8 +3,6 @@
 
 #include <functional>
 
-#include <eepp/thirdparty/PlusCallback/callback.hpp>
-
 #include <eepp/config.hpp>
 
 #include <eepp/core/core.hpp>

include/eepp/core/core.hpp

@@ -5,6 +5,5 @@
 #include <eepp/core/debug.hpp>
 #include <eepp/core/memorymanager.hpp>
 #include <eepp/core/string.hpp>
-#include <eepp/core/utf.hpp>
 
 #endif

include/eepp/graphics/particlesystem.hpp

@@ -40,7 +40,7 @@ enum class ParticleEffect : Uint32 {
 /** @brief Basic but powerfull Particle System */
 class EE_API ParticleSystem {
   public:
-	typedef cb::Callback2<void, Particle*, ParticleSystem*> ParticleCallback;
+	typedef std::function<void( Particle*, ParticleSystem* )> ParticleCallback;
 
 	ParticleSystem();
 

include/eepp/ui/tools/textureatlaseditor.hpp

@@ -94,7 +94,7 @@ class EE_API TextureAtlasEditor {
 
 	void update();
 
-	UIWidget* createTextureAtlasTextureRegionEditor( std::string name );
+	UIWidget* createTextureAtlasTextureRegionEditor();
 };
 
 }}} // namespace EE::UI::Tools