Build: Added -Wall,extra,-pedantic, fixed warnings and peeves.

hcore/deviceManager/deviceSpecParser.cpp

@@ -23,11 +23,12 @@ std::string DeviceManager::readDeviceFile(const std::string& filename)
         (std::istreambuf_iterator<char>(file)),
         std::istreambuf_iterator<char>());
 
-    return std::move(content);
+    return content;
 }
 
-void DeviceManager::collateAllDeviceSpecs(const OptionParser& options)
+void DeviceManager::collateAllDeviceSpecs(void)
 {
+    OptionParser &options = OptionParser::getOptions();
     allDeviceSpecs = options.deviceSpecs;
 
     for (const auto& file : options.deviceSpecFiles)