Merge branch 'typo3v8compatibility' into 'master'

...demirror/plugins/codemirror/CodeMirror/doc/internals.html

...mce-codemirror/plugins/codemirror/CodeMirror/doc/logo.png

...mce-codemirror/plugins/codemirror/CodeMirror/doc/logo.svg

...-codemirror/plugins/codemirror/CodeMirror/doc/manual.html

...demirror/plugins/codemirror/CodeMirror/doc/realworld.html

...odemirror/plugins/codemirror/CodeMirror/doc/releases.html

...demirror/plugins/codemirror/CodeMirror/doc/reporting.html

...irror/plugins/codemirror/CodeMirror/doc/upgrade_v2.2.html

...emirror/plugins/codemirror/CodeMirror/doc/upgrade_v3.html

...emirror/plugins/codemirror/CodeMirror/doc/upgrade_v4.html

...-codemirror/plugins/codemirror/CodeMirror/doc/yinyang.png

...nymce-codemirror/plugins/codemirror/CodeMirror/index.html

...-codemirror/plugins/codemirror/CodeMirror/keymap/emacs.js

...odemirror/plugins/codemirror/CodeMirror/keymap/sublime.js

...ce-codemirror/plugins/codemirror/CodeMirror/keymap/vim.js

...demirror/plugins/codemirror/CodeMirror/lib/codemirror.css

...odemirror/plugins/codemirror/CodeMirror/lib/codemirror.js

...-codemirror/plugins/codemirror/CodeMirror/mode/apl/apl.js

...emirror/plugins/codemirror/CodeMirror/mode/apl/index.html

...r/plugins/codemirror/CodeMirror/mode/asterisk/asterisk.js