Update changelog

src/site/markdown/overview/changelog.md

@@ -20,6 +20,7 @@
 *   [#130](https://github.com/pmd/pmd/pull/130); \[core] Reduce thread contention
 *   [#133](https://github.com/pmd/pmd/pull/133): \[java] UnnecessaryFullyQualifiedName can detect conflicts
 *   [#152](https://github.com/pmd/pmd/pull/152): \[java] fixes #1552 continue does not require break
+*   [#154](https://github.com/pmd/pmd/pull/154): \[java] Fix #1547: UnusedImports: Adjust regex to support underscores
 
 **Bugfixes:**
 
@@ -27,6 +28,7 @@
     *   [#1552](https://sourceforge.net/p/pmd/bugs/1552/): \[java] MissingBreakInSwitch - False positive for continue
 *   java-imports
     *   [#1546](https://sourceforge.net/p/pmd/bugs/1546/): \[java] UnnecessaryFullyQualifiedNameRule doesn't take into consideration conflict resolution
+    *   [#1547](https://sourceforge.net/p/pmd/bugs/1547/): \[java] UnusedImportRule - False Positive for only usage in Javadoc - {@link ClassName#CONSTANT}
 *   XML
     *   [#1518](https://sourceforge.net/p/pmd/bugs/1518/): \[xml] Error while processing xml file with ".webapp" in the file or directory name
 *   psql