new branch to collect all changes of one month

- jshinted
- added facebook connect button
- fixed missing reqjuire.js-references to CL3D (this should solve loading issues)
- fine-tuned speed of ship & shoot
- bigger collision force
fixed nodejs.install to version 0.8.15 to avoid an error with the MSI installer on azure

[ERROR] Running msiexec with nodejs.install\nodejs.installIn stall.msi" /quiet was not successful. Exit code was '1603'.
Merge branch 'master' of github.com:JohannesHoppe/SolarTournament