Update versions of depdencies.

Update versions of depdencies.

        * pom.xml: Increase some version numbers based on the output of
	, using mvn versions:display-dependency-updates.
        * src/test/java/org/glom/web/client/GwtTestOnlineGlom.java:
	Use the annotation instead of getModuleName().
        * src/test/java/org/glom/web/server/SelfHostConfiguredDocumentTest.java:
        Do not use deprecated assert() classes/methods.