Started the i18N task.
Basics of I18N in place see #10
Created MessageFormat as a replacement for the Java standard version
with its strange handling of single quotes
removed some stray System.out.println
Javadoc correction
I18NInterpreter works with Caption and Description keys
I18N for basic Vaadin components provided through annotations.  Tables
and composite components still to be done
Added Guice scope to CurrentLocale. See #10
Merge branch 'develop'