add clang-tidy

This commit implements a clang-tidy file, and makes some changes to get
it to pass.  Most changes are naming or mechanical in nature.

Tested:
Clang-tidy now passes.

Signed-off-by: Ed Tanous <ed@tanous.net>
Change-Id: Ia441e4801b6c8725421d160c531c5df141f255d4
diff --git a/include/ExitAirTempSensor.hpp b/include/ExitAirTempSensor.hpp
index 2d69cec..191f95f 100644
--- a/include/ExitAirTempSensor.hpp
+++ b/include/ExitAirTempSensor.hpp
@@ -1,8 +1,7 @@
 #pragma once
-#include "sensor.hpp"
-
 #include <boost/container/flat_map.hpp>
 #include <sdbusplus/bus/match.hpp>
+#include <sensor.hpp>
 
 #include <chrono>
 #include <limits>
@@ -27,7 +26,7 @@
               sdbusplus::asio::object_server& objectServer,
               std::vector<thresholds::Threshold>&& thresholds,
               std::shared_ptr<ExitAirTempSensor>& parent);
-    ~CFMSensor();
+    ~CFMSensor() override;
 
     bool calculate(double&);
     void updateReading(void);
@@ -68,7 +67,7 @@
                       const std::string& sensorConfiguration,
                       sdbusplus::asio::object_server& objectServer,
                       std::vector<thresholds::Threshold>&& thresholds);
-    ~ExitAirTempSensor();
+    ~ExitAirTempSensor() override;
 
     void checkThresholds(void) override;
     void updateReading(void);