header include cleanup

- ensures alphabetical ordering for includes etc. in source file headers

src/utilstrencodings.cpp

@@ -7,10 +7,11 @@
 
 #include "tinyformat.h"
 
-#include <boost/foreach.hpp>
 #include <errno.h>
 #include <limits>
 
+#include <boost/foreach.hpp>
+
 using namespace std;
 
 // safeChars chosen to allow simple messages/URLs/email addresses, but avoid anything