Fix title and broken link in 4.10 release notes (#1441)

Author: Godin

doc/ReleaseNotes4.10.html

@@ -1,6 +1,6 @@
-<h2>Summary of Changes in version 4.10 [unreleased!]</h2>
+<h2>Summary of Changes in version 4.10</h2>
 
-<p>A full summary of commits between 4.9 and 4.10 is on <a href="https://github.com/junit-team/junit4/compare/r4.9...4.10">github</a></p>
+<p>A full summary of commits between 4.9 and 4.10 is on <a href="https://github.com/junit-team/junit4/compare/r4.9...r4.10">github</a></p>
 
 <h3>junit-dep has correct contents</h3>
 

doc/ReleaseNotes4.10.md

@@ -2,7 +2,7 @@
 
 Thanks to a full cast of contributors of bug fixes and new features.
 
-A full summary of commits between 4.9 and 4.10 is on [github](https://github.com/junit-team/junit4/compare/r4.9...4.10)
+A full summary of commits between 4.9 and 4.10 is on [github](https://github.com/junit-team/junit4/compare/r4.9...r4.10)
 
 ### junit-dep has correct contents ###