Closes #4902

Seems Apache has its own list for non-registered
media types.

Closes #4680

Closes #4635

Closes #4472

Closes #4505

Bumping them for every release just adds too much git
noise and history blowup.

It is turning into a major headache, since apparently a
lot of modes are written with the assumption that empty
tokens are okay.

Closes #2517

Issue #2506

Closes #1133

As spotted by the extended linter.

Parsing the word constructor would look up words["constructor"], and
return Object.prototype.constructor instead of a style string.

Closes #793

Add CodeMirror.defineOption function for defining new options.

Add findMatchingBracket to the methods exported by this extension.

Closes #746

It is not part of the set of styled classes.

Signed-off-by: Jan Keromnes <janx@linux.com>