Upgrade to the bintray plugin version 1.0 and bounce our version for the next release
Default to Gradle 2.1 in the wrapper to support the new plugin syntax
Remove the auto loading of bundler

This will make sure that wars don't have implicit behavior if bundler *can* be
loaded. This is undesirable since bundler might somehow be findable by Ruby,
but might not be part of the .war package.

If we load bundler, and the .war doesn't have a Gemfile then exceptions are
raised and sadness is had

Fixes #4
Update the java namespace to reflcet the github organization change

Fixes #3