Merge branch 'typo3v8compatibility' into 'master'

...emirror/plugins/codemirror/CodeMirror/demo/requirejs.html

...codemirror/plugins/codemirror/CodeMirror/demo/resize.html

...codemirror/plugins/codemirror/CodeMirror/demo/rulers.html

...odemirror/plugins/codemirror/CodeMirror/demo/runmode.html

...codemirror/plugins/codemirror/CodeMirror/demo/search.html

...mirror/plugins/codemirror/CodeMirror/demo/simplemode.html

.../plugins/codemirror/CodeMirror/demo/simplescrollbars.html

.../codemirror/CodeMirror/demo/spanaffectswrapping_shim.html

...odemirror/plugins/codemirror/CodeMirror/demo/sublime.html

...e-codemirror/plugins/codemirror/CodeMirror/demo/tern.html

...-codemirror/plugins/codemirror/CodeMirror/demo/theme.html

...ror/plugins/codemirror/CodeMirror/demo/trailingspace.html

...or/plugins/codemirror/CodeMirror/demo/variableheight.html

...ce-codemirror/plugins/codemirror/CodeMirror/demo/vim.html

...irror/plugins/codemirror/CodeMirror/demo/visibletabs.html

...codemirror/plugins/codemirror/CodeMirror/demo/widget.html

...irror/plugins/codemirror/CodeMirror/demo/xmlcomplete.html

...irror/plugins/codemirror/CodeMirror/doc/activebookmark.js

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

...mce-codemirror/plugins/codemirror/CodeMirror/doc/docs.css