[release] Adds the latest release information

[pip-fix] Fixes owtf#686 and owtf#688

* pip changed the name of an object attribute from project_name to just
  name and that broke the API

Fixed the python version. Fixed owtf#346

Updated version name and added GSoC participants

Updated changelog

OWTF 0.30 "Summer Storm II": Merge two parts of the same release in C…

…HANGELOG

OWTF 0.20 "Summer Storm I"

OWTF 0.16 "shady citizen"

OWTF 0.15 BruCon

OWTF 0.14 London