rename headers to match style

Moving headers from ".h" to ".hpp"

Reworked the header inclusion a bit so that host-ipmid is treated as a
library, and local headers aren't.

renamed apphandler.h => apphandler.hpp
renamed chassishandler.h => chassishandler.hpp
renamed globalhandler.h => globalhandler.hpp
renamed sensorhandler.h => sensorhandler.hpp
renamed storageaddsel.h => storageaddsel.hpp
renamed storagehandler.h => storagehandler.hpp
renamed systemintfcmds.h => systemintfcmds.hpp

Change-Id: I9d4ce3dd57e2e996800f9020a10cc10cdf2c3914
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/ipmid.cpp b/ipmid.cpp
index 6da7ff2..c867e3c 100644
--- a/ipmid.cpp
+++ b/ipmid.cpp
@@ -1,7 +1,10 @@
 #include "ipmid.hpp"
 
-#include "host-ipmid/oemrouter.hpp"
+#include "host-cmd-manager.hpp"
+#include "ipmiwhitelist.hpp"
+#include "sensorhandler.hpp"
 #include "settings.hpp"
+#include "timer.hpp"
 
 #include <assert.h>
 #include <dirent.h>
@@ -16,22 +19,18 @@
 #include <unistd.h>
 
 #include <algorithm>
-#include <host-cmd-manager.hpp>
 #include <host-ipmid/ipmid-host-cmd.hpp>
+#include <host-ipmid/oemrouter.hpp>
 #include <iostream>
-#include <ipmiwhitelist.hpp>
 #include <iterator>
 #include <map>
 #include <memory>
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/bus.hpp>
 #include <sdbusplus/bus/match.hpp>
-#include <timer.hpp>
 #include <vector>
 #include <xyz/openbmc_project/Control/Security/RestrictionMode/server.hpp>
 
-#include "sensorhandler.h"
-
 using namespace phosphor::logging;
 namespace sdbusRule = sdbusplus::bus::match::rules;