Update CHANGELOG.md and README.md to 1.3.0 (#50)

Author: kellyroach-optimizely

CHANGELOG.md

@@ -1,3 +1,14 @@
+## 1.3.0
+January 5, 2018
+
+### New Features
+* Feature Notification Center
+* Third party component DLL's dependencies unbundled to NUGET.ORG .
+* DemoApp README.md
+
+### Bug Fixes
+* Httpclient issues - object initializing multiple times and default timeout.
+
 ## 1.2.1
 November 6, 2017
 

README.md

@@ -82,9 +82,3 @@ Optimizely SDK uses third party software:
 [murmurhash-signed](https://www.nuget.org/packages/murmurhash-signed/),
 [Newtonsoft.Json](https://www.nuget.org/packages/Newtonsoft.Json/), and
 [NJsonSchema](https://www.nuget.org/packages/NJsonSchema/).
-Optimizely's NuGet package digitally signs these third party DLL's.
-Third party software licenses are included in the folder Licenses when Optimizely is installed.
- 
-
-
-