version update (3.4.5)

README.md

@@ -5,8 +5,8 @@
 --------------------------------------------------------------------------
 | Dynamixel SDK Version | 1.X | 2.X | 3.X ([Download](https://github.com/ROBOTIS-GIT/DynamixelSDK/releases)) |
 | ------------- | ------------- | ------------- | ------------- |
-| Release date| 2010.05.16 | 2015.02.10 | 2016.03.08 |
-| Latest version released |||3.4.4|
+| Release date| 2010.05.16 | 2015.02.10 | 2017.05.23 |
+| Latest version released |||3.4.5|
 | OS | Linux | Windows | Linux + Windows |
 ||||+ MacOSX (coming soon)|
 | Available Dynamixel models | All models | All models | All models |