remove quotes on RUBYOPT on Windows
Welcoming @jlsuttles to Bundler Core! \o/
Merge pull request #2376 from ogra/rubyoptwin

remove quotes on RUBYOPT on Windows
Changed the gembundler.com repo to the new repo 'bunler/bundle-site-middleman'.
Merge pull request #2415 from nslocum/master

New repo for gembundler.com
Add indicator progress in resolver 

Calculates iteration rate for the first second and
uses this knowledge to print a '.' so the user 
doesn't have the impression that bundler crashed.
Merge pull request #2418 from chief/resolver_progress_indicator

Add indicator progress in resolver