Rename MBEDTLS_SSL_CID to MBEDTLS_SSL_DTLS_CONNECTION_ID

Files modified via

sed -i 's/MBEDTLS_SSL_CID\([^_]\|$\)/MBEDTLS_SSL_DTLS_CONNECTION_ID\1/g' **/*.c **/*.h **/*.sh **/*.function
diff --git a/library/version_features.c b/library/version_features.c
index c6001a4..5a5f9d6 100644
--- a/library/version_features.c
+++ b/library/version_features.c
@@ -447,9 +447,9 @@
 #if defined(MBEDTLS_SSL_ALL_ALERT_MESSAGES)
     "MBEDTLS_SSL_ALL_ALERT_MESSAGES",
 #endif /* MBEDTLS_SSL_ALL_ALERT_MESSAGES */
-#if defined(MBEDTLS_SSL_CID)
-    "MBEDTLS_SSL_CID",
-#endif /* MBEDTLS_SSL_CID */
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    "MBEDTLS_SSL_DTLS_CONNECTION_ID",
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
     "MBEDTLS_SSL_ASYNC_PRIVATE",
 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */