update buglink - shutting down bugs.friendica.com
markdownify the README
license stuff
some fixes for the README
SN license stuff
Merge pull request #122 from tobiasd/SN

Markdownification of the README
Typo
markdownification of the Twitter README file
clarification
Merge pull request #124 from tobiasd/twitter

markdownification of Twitter README
LICENSE fole
markdownification of the README
Merge pull request #125 from tobiasd/impressum

Impressum: markdownification of the README
fix the submit button
markdownification of the README
license file
Merge pull request #126 from tobiasd/mathjax

Mathjax markdownification of the README
markdownification of the WebRTC README
markdownification of the README
added LICENSE file to blackout