Merge pull request #90 from marqs85/master

A fix for kernel header update procedure.
Updated RetroArch installation and configuration

Audio driver "alsathread" is used as default now.
Updated README.md
Update retropie_setup.sh
Update retropie_setup.sh
Fixed bug
Don't launch emulationstation when user logs in via SSH
Merge pull request #94 from adrianmoisey/master

Stops emulationstation from launching when user logs in via SSH
Removed disable-libpng from RetroArch configuration
Fixed NES emulator core installation. fceumm source directory changed from src-fceumm to fceumm-code.
Merge pull request #99 from juhanaj/master

Fix for NES emulator core install
Added configuration for Game Boy, enhanced Atari 2600 configuration
Update retropie_setup.sh
- Added Binaires-bases installation back again
- Updated themes handling
- Updated download of DGEN to 1.31
- Option for updating the RetroPie script itself
- Added option for fixing XBian in order to make components compile
properly
- Added option for enabling RetroPie splashscreen
Minor bug fixes, added Osmose and GnGeo to binaries
Fixed missing fbi package
Fixed typo in splashscreen function
Fixed typo in main menu function
Fixed function for enabling splashscreen
Improved splashscreen function