explain Python 3 support
edit Python 3 explanation
mention other Python 3 releases
remove recommendation to use python2.7 with raring
Merge remote-tracking branch 'upstream/master'
Hydro also needs to support Python 3.2 on Precise and Quantal
Minor punctuation fix
revise python migration plans (#35)
Merge pull request #35 from jack-oquin/master

REP-0003: explain Python 3 plans for Hydro