shared_ptr -> std::shared_ptr

This is one of the first commits in a plan to remove all `using namespace std;` lines in the entire codebase as it is considered anti-pattern today.

Minecraft.World/MemoryLevelStorage.cpp

@@ -17,7 +17,7 @@ LevelData *MemoryLevelStorage::prepareLevel()
 	return NULL;
 }
 
-void MemoryLevelStorage::checkSession() 
+void MemoryLevelStorage::checkSession()
 {
 }
 
@@ -26,7 +26,7 @@ ChunkStorage *MemoryLevelStorage::createChunkStorage(Dimension *dimension)
 	return new MemoryChunkStorage();
 }
 
-void MemoryLevelStorage::saveLevelData(LevelData *levelData, vector<shared_ptr<Player> > *players) 
+void MemoryLevelStorage::saveLevelData(LevelData *levelData, vector<std::shared_ptr<Player> > *players)
 {
 }
 
@@ -43,21 +43,21 @@ void MemoryLevelStorage::closeAll()
 {
 }
 
-void MemoryLevelStorage::save(shared_ptr<Player> player) 
+void MemoryLevelStorage::save(std::shared_ptr<Player> player)
 {
 }
 
-bool MemoryLevelStorage::load(shared_ptr<Player> player)
+bool MemoryLevelStorage::load(std::shared_ptr<Player> player)
 {
 	return false;
 }
 
-CompoundTag *MemoryLevelStorage::loadPlayerDataTag(const wstring& playerName) 
+CompoundTag *MemoryLevelStorage::loadPlayerDataTag(const wstring& playerName)
 {
 	return NULL;
 }
 
-ConsoleSavePath MemoryLevelStorage::getDataFile(const wstring& id) 
+ConsoleSavePath MemoryLevelStorage::getDataFile(const wstring& id)
 {
 	return ConsoleSaveFile(wstring(L""));
 }