avahi: run as avahi user/group instead of default

Create an avahi specific user/group and use it instead of the global
'default' one, so it can be removed.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Remove user "default"

User "default" with no password has been around for long time, but not
used within buildroot. Since we now have BR2_ROOTFS_USERS_TABLES it is
no longer needed.

Signed-off-by: Stephan Hoffmann <sho@relinux.de>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Add support of Linaro GCC
Linaro GCC: remove 2013.07; add 2013.08
Linaro GCC: add release 2013.09
Linaro GCC: remove release 2013.07-1; add release 2013.10
Linaro GCC: add release 2013.11
cloog: bump to version 0.18.1
Linaro GCC: remove release 2013.08 2013.09; add release 2013.12
Linaro GCC: remove release 2013.10; add release 2014.01
isl: update download location
Linaro GCC: add release 2014.02
isl: bump to version 0.12.2
Linaro GCC: remove release 2013.11, 2013.12; add release 2014.03
Linaro GCC: remove release 2014.01; add release 2014.04
Add lto & graphite support in GCC 4.9
Linaro GCC: add gcc 4.9 support
Linaro GCC: fix typo
Linaro GCC: fix typo