updated changelog

Author: Kanishk Panwar

changelog.txt

@@ -2,7 +2,9 @@ Version 1.2.0
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 * Support for NTLM login.
 * Addition of a master header file (ADAL.h) for easy developer access to the API.
-* Fix to cancel the webview when the user clicks "Enroll" button to initiate workplace join
+* Fix to cancel the webview when the user clicks "Enroll" button to initiate workplace join.
+* Fix for Issue #246.
+* Fix for Issue #245.
 
 Version 1.1.12
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