src: fixed some clang tidy warnings

* implemented CxxDeclName constructors that just move the members
* removed empty destructors because they disable default move constructors
* removed some unnecessary code
* replaced ".size() == 0" with ".empty()" because it's more explicit

src/lib/utility/file/FilePath.cpp

@@ -84,7 +84,7 @@ FilePath::~FilePath()
 
 boost::filesystem::path FilePath::getPath() const
 {
-	return boost::filesystem::path(*(m_path.get()));
+	return *(m_path.get());
 }
 
 bool FilePath::empty() const

src/lib/utility/file/FilePath.h

@@ -20,7 +20,7 @@ public:
 	explicit FilePath(const char* filePath);
 	explicit FilePath(const std::string& filePath);
 	explicit FilePath(const boost::filesystem::path& filePath);
-	FilePath(const FilePath& filePath);
+	FilePath(const FilePath& other);
 	FilePath(FilePath&& other);
 	FilePath(const std::string& filePath, const std::string& base);
 	~FilePath();

src/lib/utility/interprocess/SharedMemoryGarbageCollector.cpp

@@ -24,7 +24,7 @@ SharedMemoryGarbageCollector* SharedMemoryGarbageCollector::createInstance()
 			s_instance = std::shared_ptr<SharedMemoryGarbageCollector>(new SharedMemoryGarbageCollector());
 		}
 	}
-	catch (boost::interprocess::interprocess_exception& e)
+	catch (boost::interprocess::interprocess_exception)
 	{
 	}