update extension package-info.java files to reference 3.0 instead of 2.0, also fix issue 563 -- assistedinject package-info referenced the wrong jar name.

git-svn-id: https://google-guice.googlecode.com/svn/trunk@1317 d779f126-a31b-0410-b53b-1d3aecad763e
8 files changed