Merge remote-tracking branch 'origin/github/pr/73'

Merge remote-tracking branch 'origin/github/pr/73'

C/P from https://github.com/grml/grml-etc-core/pull/73:

| Starting with zsh version 5.1, ZLE began supporting "bracketed paste mode".
|
| Currently, even on dumb terminals, ZLE sometimes emits the escape sequence
| "[?2004h" after the prompt if bracketed paste mode is not disabled. This
| prevents various tools that try to detect a shell prompt (such as Emacs TRAMP)
| from doing so successfully. (The shell prompt effectively becomes user@host ~ %
| �[?2004h – which typically will not be matched by prompt detecting regexps,
| thereby breaking Emacs TRAMP for target hosts that use the Grml zsh config and
| zsh ≥5.1.)
|
| Since most "dumb" terminals do not have bracketed paste capabilities anyway,
| this pull request changes the Grml zsh config to disable bracketed paste mode
| for "dumb" terminals.