Change the library version to 2.11.0

 * Change the Mbed TLS library version to 2.11.0
 * Increase the soversion of libmbedcrypto
 * Increase the soversion of libmbedtls
diff --git a/ChangeLog b/ChangeLog
index 1c176b2..027a971 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
-= mbed TLS x.x.x branch released xxxx-xx-xx
+= mbed TLS 2.11.0 branch released 2018-06-18
 
 Features
    * Add additional block mode, OFB (Output Feedback), to the AES module and