updated upgrade guide
updated upgrade guide

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