Add support for the modmore.com Redactor editor

Signed-off-by: Bruno Perner <b.perner@gmx.de>
tinyMCE didn't work on multiform - switching

Signed-off-by: Bruno Perner <b.perner@gmx.de>
Add migx-2.5.6-pl.transport.zip

Signed-off-by: Bruno Perner <b.perner@gmx.de>
Merge github.com:Bruno17/MIGX

Conflicts:
	core/components/migx/elements/tv/input/migxredactor.class.php
	core/components/migx/elements/tv/redactor.tpl

Signed-off-by: Bruno Perner <b.perner@gmx.de>