gluon-config-mode: rename config-mode to gluon-config-mode

package/gluon-config-mode/files/etc/config/gluon-config-mode

...nfig-mode/files/etc/hotplug.d/button/50-gluon-config-mode

package/gluon-config-mode/files/etc/init.d/gluon-config-mode

...pgrade/gluon-config-mode/invariant/001-migrate-uci-config

...s/usr/lib/lua/luci/controller/gluon-config-mode/index.lua

...s/usr/lib/lua/luci/model/cbi/gluon-config-mode/wizard.lua

...g-mode/files/usr/lib/lua/luci/tools/gluon-config-mode.lua

...nerate/usr/lib/lua/luci/view/gluon-config-mode/reboot.htm