Update docs

h2/src/docsrc/html/changelog.html

@@ -201,6 +201,8 @@ changed from Types.OTHER (1111) to Types.TIMESTAMP_WITH_TIMEZONE (2014)
 
 <h2>Version 1.4.192 Beta (2016-05-26)</h2>
 <ul>
+<li>Java 6 is no longer supported (the jar files are compiled for Java 7).
+</li>
 <li>Garbage collection of unused chunks should now be faster.
 </li>
 <li>Prevent people using unsupported combination of auto-increment columns and clustering mode.