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/storageaddsel.hpp b/storageaddsel.hpp
new file mode 100644
index 0000000..c25ead3
--- /dev/null
+++ b/storageaddsel.hpp
@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stdint.h>
+
+void send_esel(uint16_t recordid);
+
+/** @brief Read eSEL data into a string
+ *
+ *  @param[in] filename - filename of file containing eSEL
+ *
+ *  @return On success return the eSEL data
+ */
+std::string readESEL(const char* filename);
+
+/** @brief Create a log entry with maintenance procedure
+ *
+ *  @param[in] procedureNum - procedure number associated with the log entry
+ */
+void createProcedureLogEntry(uint8_t procedureNum);