mananews: newsbeuter exec plugin for ingame news

- skip update procedure without loosing update news
- skip turning on client/webpage to check news
- in case your client cannot fetch news

http://themanaworld.org/

files:

config
    example newsbeuter config
urls
    example mananews call from newsbeuter urls list
news.txt
    example news.txt (uncomment/comment cat/FETCH lines in mananews to test)