Update UPGRADE.md
Update UPGRADE.md
janatzend/app,myorb/m2-parser-system,davidfang/app,cornernote/app,myorb/bookapp,myorb/pmyapp,philippfrenzel/app,janatzend/app,myorb/m2-parser-system,motin/giic-gtc-hybrid-template-demo,Silver90/app,philippfrenzel/app,janatzend/app,Silver90/app,myorb/pmyapp,myorb/pmyapp,myorb/bookapp,myorb/m2-parser-system,cornernote/app,phundament/app,phundament/app,myorb/pmyapp,cornernote/app,phundament/app,philippfrenzel/app,davidfang/app,myorb/bookapp,motin/giic-gtc-hybrid-template-demo,davidfang/app,cornernote/app,Silver90/app,myorb/m2-parser-system