reorder headers

Reordering all the headers to the following structure:

header file:
local
c
cpp (including openbmc libraries)

source file:
source.hpp (if applicable)
local
c
cpp

Change-Id: Ia74a5c761a3029819366159de3cfd40c5e4c4a2c
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/config_parser.cpp b/config_parser.cpp
index 3852b6c..92c344f 100644
--- a/config_parser.cpp
+++ b/config_parser.cpp
@@ -1,12 +1,12 @@
 #include "config_parser.hpp"
-#include <phosphor-logging/log.hpp>
 
-#include <fstream>
-#include <string>
 #include <algorithm>
-#include <unordered_map>
-#include <regex>
+#include <fstream>
 #include <list>
+#include <phosphor-logging/log.hpp>
+#include <regex>
+#include <string>
+#include <unordered_map>
 
 namespace phosphor
 {