bumping to 3.1.0.rc4
bumping to 3.1.0.rc3
bumping to rails 3.1.0.rc2
Bump versions for rc1
Prepare for beta1
Update the version.rb files to include a PRE part
Master is now targeting 3.1.0.beta
Prep for RC
Ops, this should be beta4.
Update versions (otherwise you install a gem from source as beta3 but…
… internally it's beta2) and update CHANGELOG.
Bump this guy too
Add `rake update_versions` task at root for quickly updating all comp…