prepare changelog for upload to unstable

debian/changelog

-groovy (2.4.17-2) UNRELEASED; urgency=medium
+groovy (2.4.17-2) unstable; urgency=medium
 
   * Team upload.
   * Add patch to fix groovyConsole exception. (Closes: #929460)
+  * Fix typo in Recommends for junit4-doc
+  * Add lintian override for needless-suggest-recommend-libservlet-java
+  * Remove dangling symlink to testng.jar (Closes: #874755)
+    (Recommends was removed in 2.4.8-2)
+  * Remove dangling symlink to jsr166y (Closes: #874711)
 
- -- tony mancill <tmancill@debian.org>  Mon, 29 Jul 2019 18:10:45 -0700
+ -- tony mancill <tmancill@debian.org>  Wed, 31 Jul 2019 20:03:00 -0700
 
 groovy (2.4.17-1) unstable; urgency=medium