Merge pull request #57 from swilli/master

Fixed SSL key/certificate folder bug
Updated node modules.
Mission 2 redefinition
From ESA branch

Merge branch 'master' of https://github.com/esa/jupiter_tour
Merge pull request #61 from darioizzo/master

Mission 2 redefinition
Safety commit. Current Task: Issue #51
Main theme color adjusted (css) to fit background image. ESA logo added
a few forgotten color changes
Credit tab added (draft)
Safety commit. Current Task: Issue #51
Merge branch 'master' of https://github.com/esa/jupiter_tour into dev
Further implementations. Current Task: Issue #51. Bug in LaunchSelector displaying.
Issue #60 solved. New image with compatible size loaded
Mission 3: prototype ready
Space Roomba level implemented (only the concept, scroe and several small enhancments are necessary)
Merge branch 'master' of https://github.com/esa/jupiter_tour
Safety commit. Current Task: Issue #51
Safety commit. Current Task: Issue #51
Further implementations. Current Task: Issue #51. Bug in LaunchSelector displaying.
Further implementations. Current Task: Issue #51. .