Update target for "improve this page" links in docs.
Update target for "improve this page" links in docs.

Prior to this change the improve this page link pointed at the older gh-pages branch:

https://github.com/ember-cli-deploy/ember-cli-deploy/edit/gh-pages/docs/v1.0.x/configuration.md

After this change, it points at:

https://github.com/ember-cli-deploy/ember-cli-deploy/edit/master/docs/docs/v1.0.x/configuration.md
achambers/ember-cli-deploy,ember-cli/ember-cli-deploy,ember-cli-deploy/ember-cli-deploy,ember-cli-deploy/ember-cli-deploy,ember-cli-deploy/ember-cli-deploy,ember-cli/ember-cli-deploy,duizendnegen/ember-cli-deploy,achambers/ember-cli-deploy,duizendnegen/ember-cli-deploy,ember-cli/ember-cli-deploy