+ added some instructions in /etc/network/interfaces in order to have a ...

...functional WiFi (with D-LINK DWA-131 in my case)

+ updated linux 3.6.y for raspberry fetch url
+ new packages
    * wiringPi : https://projects.drogon.net/raspberry-pi/wiringpi/
          The package configuration is not very clean since the Makefile of wiringPi is subject to change very soon
    * qtserialport
    * qtftp
+ bootloader config.txt :
    * overscan properties for the (See http://elinux.org/RPiconfig#Video_mode_options) because my old TV need it
    * hdmi_drive
    * hdmi_group
    * hdmi_mode
+ package modifications :
    * wpa_supplicant : Added preliminary features to generate the /etc/wpa_supplicant file (used by /etc/network/interfaces) with support of SSID and KEY