Add template to release note to mention supported RF, Selenium and Python versions (#1271)

Fixes #1209

Author: aaltat

tasks.py

@@ -41,7 +41,9 @@
 to install exactly this version. Alternatively you can download the source
 distribution from PyPI_ and install it manually.
 
-SeleniumLibrary {version} was released on {date}.
+SeleniumLibrary {version} was released on {date}. SeleniumLibrary supports
+Python **ADD VERSIONS**, Selenium **ADD VERSIONS** and
+Robot Framework **ADD VERSIONS**.
 
 .. _Robot Framework: http://robotframework.org
 .. _SeleniumLibrary: https://github.com/robotframework/SeleniumLibrary