OpenStudio-PAT v3.6.0

What's Changed

• Allow custom gemfile by @tijcolem in #249
• fix reports detecting when page is loaded by @kflemin in #255
• fixing results.xml generation by @kflemin in #257
• Issue #259- ReferenceError cannot access 'o' by @tijcolem in #260
• Updates for latest OpenStudio v3.6.0 by @tijcolem in #261

Full Changelog: v3.5.1...v3.6.0