Updating changeLog

Author: panchagnula

src/Websites/Websites/ChangeLog.md

@@ -18,6 +18,8 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Set-AzWebapp and Set-AzWebappSlot supports AlwaysOn, MinTls and FtpsState properties
+* Fixing issue where etting HttpsOnly along with changing AppservicePlan at the same time using the single Set-AzWebApp Command, was resetting HttpsOnly to default value
 
 ## Version 1.5.1
 * Update references in .psd1 to use relative path