Adding MOVIE2K plugin for Movie4k.to

This plugin currently supports upcoming new input option for Roku.  It
will allow you to add your favorite TV show or movie link from
Movie4k.to,  includes parental lock out for adult content and input
captcha response for certain video hosts.  It allows you to remove adult
content from the line up all together in preferences (default disabled).
You can also choose your language of choice or set to all (default
English).  It also supports Tor network proxy setup.