Announce 0.3

* ServiceLoader support.
* Deprecated API removal.
* printf()-like messages.
* Builtin assertion methods.

Francis Galiegue (39):
      Announce 0.2
      README updates
      Candidate code for a ServiceProvider API
      Add a static inner class and exception for bundle loading
      Rename MessageBundles' static inner class and exception
      MessageBundles: implement actual code to make it usable
      Provide a (stubbed for now) implementation of a simple MessageBundleProvider
      Finish implementation, tests of SimpleMessageBundleProvider
      pom.xml: small reformat
      SimpleMessageBundleProvider: don't make final!
      SimpleMessageBundleProvider: make abstract...
      pom.xml: add plugin to automatically generate META-INF/services
      Eat own dog's food and puke -- ensure bundles are really loaded
      Start and create this package's own bundle and use it
      MessageBundle: remove deprecated API
      MessageBundleBuilder: finish migration to MessageBundle for messages
      PropertiesBundle: convert to a bundle, and add a FIXME
      MessageBundles: make .getByName() synchronized
      PropertiesBundle: modify comment now that it is know what is happening
      LoadingMessageSourceProvider: convert to use the bundle
      More internal conversions to own dog's food...
      MapMessageSourceTest: reintroduce a @Test removed by mistake...
      PropertiesMessageSource: use .getResource() instead of .getResourceAsStream()...
      Completely change the ServiceProvider implementation
      Rename spi package to serviceloader
      Javadoc for the serviceprovider package
      MapMessageSource: add skeleton implementation of its builder class
      MessageBundle: start MessageFormat support
      Drop MessageFormat support completely
      MessageBundle: add javadoc for printf() methods
      MessageBundleTest: check the non-locale versions of .getMessage(), .printf()
      MessageBundle: remove an obsolete method
      MessageBundle: implement, and document, .check{NotNull,Argument}{,Printf}()
      Modify README
      Revert "MapMessageSource: add skeleton implementation of its builder class"
      MapMessageSource: start to implement, test the inner Builder class
      MapMessageSource: finish builder implementation/testing
      Minor code fix
      0.3