Update README and CHANGELOG for a v1.3.16

Author: Tug

Diff for: CHANGELOG.md

@@ -1,4 +1,8 @@
 # Changelog
+## [v1.3.16](https://github.com/wordpress-mobile/AztecEditor-Android/releases/tag/v1.3.16)
+### Fixed
+- Fix onSelectionChange being emitted twice when calling fromHTML (#776)
+
 ## [v1.3.15](https://github.com/wordpress-mobile/AztecEditor-Android/releases/tag/v1.3.15)
 ### Changed
 - Synced the caption span alignment attribute with its the align property

Diff for: README.md

@@ -106,7 +106,7 @@ repositories {
 ```
 ```gradle
 dependencies {
-    api ('com.github.wordpress-mobile.WordPress-Aztec-Android:aztec:v1.3.14')
+    api ('com.github.wordpress-mobile.WordPress-Aztec-Android:aztec:v1.3.16')
 }
 ```