Update UPGRADE.md
Merge pull request #103 from marc7000/patch-2

Update UPGRADE.md
removed outdated messages
fixed debug toolbar path
fixed ckeditor config, updated deps
updated lock file
updated deps
Update README.md
Update README.md
Update README.md
added guide to docs (moved from wiki)
Merge commit '2809744df1a6159872ed9dc3494e889a37a39449' into 3.0
Update Home.md
updated deps; reverted debug toolbar to #85d595 because a newer version introduces several bugs (content in AJAX request, invisible toolbar switcher)
Merge pull request #1 from phundament/master

merge all changes