luarocks: bump to version 2.2.0beta1

this version includes a new default repository for rocks

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
luarocks: move the option --deps-mode

The option moves from `luarocks make` command to the LuaRocks config file.

This change and the merge of PR https://github.com/keplerproject/luarocks/pull/236
in LuaRocks 2.2.0 avoids the confusing message "Missing dependency"

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Try-Tiny: add host
Plack: all packages
moo: all packages
dancer2: all packages

TT: PERL_TEMPLATE_TOOLKIT_CONF_OPT = "TT_XS_ENABLE=n"
network interface eth0
defconfig
demo

set BR2_ROOTFS_OVERLAY with $(BR2_EXTERNAL)/overlay/
dancer2 skeleton

$ dancer2 gen -a MyWeb::App
Dancer2 as service
BR demo
add Chart-Plot-Tagged
add ntp in defconfig
update plot
user guest