VCS: Remove unused editors

Change-Id: Ia931fdd07d7cf1984f34b10c9b4c20a414c93d9e
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Remove Nokia leftovers

Mostly internal mimetypes

Change-Id: Ia84206f1334c1f83474cbc307e848719bb98adbc
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
VCS: Rename RegularCommandOutput to OtherContent

Change-Id: I37d47c79f0efaf51eb5afd1fe529aacfadff8ee1
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Git: Provide a commit editor for files opened externally

Change-Id: I52fccf36cca032dda36102d4be2654eb7461de64
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Git: Move GitSubmitHighlighter to header

And change it to derive TextEditor::SyntaxHighlighter

Required for reusing for a BaseTextDocument

Change-Id: I034b76e03e447bcc47f11833367f7bba9cc031c1
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>