Fixed some bugs, added rounder rectangles.

src/graphics/cshaderprogrammanager.cpp

@@ -11,7 +11,7 @@ cShaderProgramManager::~cShaderProgramManager()
 	std::map<std::string, cShaderProgram*>::iterator it;
 
 	for ( it = mShaders.begin(); it != mShaders.end(); it++ )
-		delete it->second;
+		Remove( it->second );
 }
 
 void cShaderProgramManager::Add( cShaderProgram * ShaderProgram ) {