Merge branch 'typo3v8compatibility' into 'master'

...odemirror/plugins/codemirror/CodeMirror/mode/haml/test.js

...ror/plugins/codemirror/CodeMirror/mode/haskell/haskell.js

...ror/plugins/codemirror/CodeMirror/mode/haskell/index.html

...odemirror/plugins/codemirror/CodeMirror/mode/haxe/haxe.js

...mirror/plugins/codemirror/CodeMirror/mode/haxe/index.html

...s/codemirror/CodeMirror/mode/htmlembedded/htmlembedded.js

...lugins/codemirror/CodeMirror/mode/htmlembedded/index.html

...plugins/codemirror/CodeMirror/mode/htmlmixed/htmlmixed.js

...r/plugins/codemirror/CodeMirror/mode/htmlmixed/index.html

...odemirror/plugins/codemirror/CodeMirror/mode/http/http.js

...mirror/plugins/codemirror/CodeMirror/mode/http/index.html

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

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

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

...mirror/plugins/codemirror/CodeMirror/mode/jade/index.html

...odemirror/plugins/codemirror/CodeMirror/mode/jade/jade.js

.../plugins/codemirror/CodeMirror/mode/javascript/index.html

...ugins/codemirror/CodeMirror/mode/javascript/javascript.js

...lugins/codemirror/CodeMirror/mode/javascript/json-ld.html

...ror/plugins/codemirror/CodeMirror/mode/javascript/test.js