Added picture for PLP project
add : Portable Linked Profiles : to projects

Filled a random project template, added the team to Berlin's lab and retrieved their Twitter avatars.
remove trash

readme.html is the same as 2014-04-04-Baustellen-Chemnitz.html
localhost4000berlin-* is used nowhere.

I may regret that.
Merge pull request #240 from hackers4peace/feature/plp+cleanups

1. Portable Linked Profiles + Cleanups