Changes to trunk: localization, signing, archetypes

[Shane Isbell]

I've made a number of changes to Masa within the trunk. It now handles
localization with po files (translates to strings.xml). Basically, you
can deploy zipped po files to a Maven repo and pull them down as
needed as part of an Android build. I chose po format since it is
standard and there are a number of editors out there for it.

Also you can sign with your own key as part of the Maven build. I've
added a couple of archetypes to make setting up projects easier.

Unless someone encounters a critical bug in the code, I'll do a 1.1
release tomorrow.

Thanks,
Shane