Merge pull request #10 from eins78/master

fix "Mitmachen" 1/2
navbar: added meshkit
mitmachen: 3 columns format
navbar: vollqualifizierte Links
about: added freifunk video to the page
added video link to start page
added spenden page
added robots.txt to prevent newsgroups from crawling
prepared rss-feed of newsgroups
newsgroups: now we provide a rss feed on our discussions list
rss feed: installed rss merger
newsgroup rss: forgot pubDate
spenden: we can haz our own betterplace project
index: make use of rss feed of weimarnetz
feed setting: typo
contact: added facebook and twitter
added spc files to ignore list
footer: added social media icons from http://icons.mysitemyway.com/glossy-black-icons-social-media-logos/
feed: try to avoid empty items, but displays always 5 if possible
contact: link correction