New cookie/crypto challene by Nikos Danopoulos

Signed-off-by: Spyros Gasteratos <morfeas3000@gmail.com>
fixed the installation db to conatin the new challenge

Signed-off-by: Spyros Gasteratos <morfeas3000@gmail.com>
Merge branch 'next' of github.com:Hackademic/hackademic into next