Update CHANGELOG for v1.0.3

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -1,11 +1,19 @@
 # Change Log
 
-## [v1.0.2-preview-056](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/tree/v1.0.2-preview-056) (2018-12-14)
-[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/compare/v1.0.2-preview-049...v1.0.2-preview-056)
+## [**Changes available only in 'Preview' NuGet packages:**](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/tree/HEAD)
+
+[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/compare/v1.0.2...HEAD)
+
+**Documentation and other chores:**
+
+- Merge back from Release v1.0.2 [\#29](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/pull/29)
+
+## [v1.0.2](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/tree/v1.0.2) (2018-12-15)
+[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/compare/v1.0.2-preview-049...v1.0.2)
 
-## [v1.0.0](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/tree/v1.0.0) (2018-10-17)
 **Documentation and other chores:**
 
+- Release v1.0.2 [\#28](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/pull/28)
 - Bumps nanoFramework.CoreLibrary from 1.0.6-preview-021 to 1.1.0 [\#27](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/pull/27)
 - Bumps nanoFramework.CoreLibrary from 1.0.6-preview-010 to 1.0.6-preview-021 [\#26](https://github.com/nanoframework/lib-nanoFramework.Networking.Sntp/pull/26)