linux: update to linux-3.13.2
gdb: update to gdb-7.7
scripts/create_addon: meh
xbmc: update to xbmc-13.alpha-2fe3117

Signed-off-by: Stephan Raue <stephan@openelec.tv>
util-linux: update to util-linux-2.24.1

Signed-off-by: Stephan Raue <stephan@openelec.tv>