Change the location of the default template directory

Changed the location from lmms/projects/templates to
lmms/templates. This new location is used for loading and saving
of the default tempate default.mpt

include/ConfigManager.h

@@ -77,6 +77,11 @@ public:
 		return workingDir() + PROJECTS_PATH;
 	}
 
+	QString userTemplateDir() const
+	{
+		return workingDir() + TEMPLATE_PATH;
+	}
+
 	QString userPresetsDir() const
 	{
 		return workingDir() + PRESETS_PATH;