Release v3.15.0

1. Update configure.ac for new version.
2. Update the version header.
3. Update the README files with the new changelog.
4. Moved all previous change logs from README files to NEWS files.

configure.ac

@@ -6,7 +6,7 @@
 #
 #
 AC_COPYRIGHT([Copyright (C) 2006-2018 wolfSSL Inc.])
-AC_INIT([wolfssl],[3.14.0],[https://github.com/wolfssl/wolfssl/issues],[wolfssl],[http://www.wolfssl.com])
+AC_INIT([wolfssl],[3.15.0],[https://github.com/wolfssl/wolfssl/issues],[wolfssl],[https://www.wolfssl.com])
 
 AC_CONFIG_AUX_DIR([build-aux])
 
@@ -41,7 +41,7 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_HEADERS([config.h:config.in])dnl Keep filename to 8.3 for MS-DOS.
 
 #shared library versioning
-WOLFSSL_LIBRARY_VERSION=16:0:0
+WOLFSSL_LIBRARY_VERSION=17:0:0
 #                        | | |
 #                 +------+ | +---+
 #                 |        |     |

wolfssl/version.h

@@ -28,8 +28,8 @@
 extern "C" {
 #endif
 
-#define LIBWOLFSSL_VERSION_STRING "3.14.0"
-#define LIBWOLFSSL_VERSION_HEX 0x03014000
+#define LIBWOLFSSL_VERSION_STRING "3.15.0"
+#define LIBWOLFSSL_VERSION_HEX 0x03015000
 
 #ifdef __cplusplus
 }