[core] converted changelog to markdown format
[core] updated rake releases to generate markdown; added github_release task to publish to release feed.
Merge branch 'master' of github.com:fog/fog into changelog
[core] tweaking per @icco; fixing broken build
rebasing with master
Merge branch 'master' of github.com:fog/fog into changelog
adding github_release dependency to edge gemfile
[core] fixing gemspec for 1.8.7
Merge pull request #2784 from rackspace/changelog

[core] Convert changelog to markdown
[google] fix service_account scopes
Merge pull request #2805 from erjohnso/google-service-accounts

[google|compute] fix service_account scopes