(PUP-2913) Upgrade to rgen 0.7.0

This commit matches the changes made to puppet in commit ed5d73424 for
PUP-2831.
(maint) Remove win32console on ruby 2

The win32console gem is no longer referenced in puppet code when running on
ruby 2, and should be deleted.
Merge pull request #50 from joshcooper/ticket/2.0.0-x64/PUP-2913-rgen-0.7.0

(PUP-2913) Upgrade ruby 2.0.0-x64 to rgen 0.7.0