Upgrade to GWT 1.6.4

This only updates our dependency chain to GWT 1.6.4.  For the most
part, the application compiles and runs unmodified, but a number of
code changes are strongly encouraged post upgrade.

Bug: GERRIT-75
Signed-off-by: Shawn O. Pearce <sop@google.com>
diff --git a/gerrit_macos.launch b/gerrit_macos.launch
index 9823470..60db69c 100644
--- a/gerrit_macos.launch
+++ b/gerrit_macos.launch
@@ -12,7 +12,7 @@
 <stringAttribute key="org.eclipse.debug.core.source_locator_memento" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;sourceLookupDirector&gt;&#10;&lt;sourceContainers duplicates=&quot;false&quot;&gt;&#10;&lt;container memento=&quot;&amp;lt;?xml version=&amp;quot;1.0&amp;quot; encoding=&amp;quot;UTF-8&amp;quot; standalone=&amp;quot;no&amp;quot;?&amp;gt;&amp;#10;&amp;lt;javaProject name=&amp;quot;gerrit&amp;quot;/&amp;gt;&amp;#10;&quot; typeId=&quot;org.eclipse.jdt.launching.sourceContainer.javaProject&quot;/&gt;&#10;&lt;container memento=&quot;&amp;lt;?xml version=&amp;quot;1.0&amp;quot; encoding=&amp;quot;UTF-8&amp;quot; standalone=&amp;quot;no&amp;quot;?&amp;gt;&amp;#10;&amp;lt;javaProject name=&amp;quot;gwtjsonrpc&amp;quot;/&amp;gt;&amp;#10;&quot; typeId=&quot;org.eclipse.jdt.launching.sourceContainer.javaProject&quot;/&gt;&#10;&lt;container memento=&quot;&amp;lt;?xml version=&amp;quot;1.0&amp;quot; encoding=&amp;quot;UTF-8&amp;quot; standalone=&amp;quot;no&amp;quot;?&amp;gt;&amp;#10;&amp;lt;javaProject name=&amp;quot;gwtorm&amp;quot;/&amp;gt;&amp;#10;&quot; typeId=&quot;org.eclipse.jdt.launching.sourceContainer.javaProject&quot;/&gt;&#10;&lt;container memento=&quot;&amp;lt;?xml version=&amp;quot;1.0&amp;quot; encoding=&amp;quot;UTF-8&amp;quot; standalone=&amp;quot;no&amp;quot;?&amp;gt;&amp;#10;&amp;lt;default/&amp;gt;&amp;#10;&quot; typeId=&quot;org.eclipse.debug.core.containerType.default&quot;/&gt;&#10;&lt;/sourceContainers&gt;&#10;&lt;/sourceLookupDirector&gt;&#10;"/>
 <listAttribute key="org.eclipse.jdt.launching.CLASSPATH">
 <listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry containerPath=&quot;org.eclipse.jdt.launching.JRE_CONTAINER&quot; javaProject=&quot;gerrit&quot; path=&quot;1&quot; type=&quot;4&quot;/&gt;&#10;"/>
-<listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry containerPath=&quot;org.eclipse.jdt.USER_LIBRARY/GWT&quot; path=&quot;3&quot; type=&quot;4&quot;/&gt;&#10;"/>
+<listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry containerPath=&quot;org.eclipse.jdt.USER_LIBRARY/GWT_16&quot; path=&quot;3&quot; type=&quot;4&quot;/&gt;&#10;"/>
 <listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry internalArchive=&quot;/gwtexpui/src/main/java&quot; path=&quot;3&quot; type=&quot;2&quot;/&gt;&#10;"/>
 <listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry internalArchive=&quot;/gwtjsonrpc/src/main/java&quot; path=&quot;3&quot; type=&quot;2&quot;/&gt;&#10;"/>
 <listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry internalArchive=&quot;/gwtorm/src/main/java&quot; path=&quot;3&quot; type=&quot;2&quot;/&gt;&#10;"/>