Merge gluon packages

...i/files/usr/lib/lua/luci/controller/admin/privatewifi.lua

...fi/files/usr/lib/lua/luci/model/cbi/admin/privatewifi.lua

package/gluon-luci-theme/Makefile

.../gluon-luci-theme/files/etc/uci-defaults/luci-theme-gluon

...theme/files/usr/lib/lua/luci/view/themes/gluon/footer.htm

...theme/files/usr/lib/lua/luci/view/themes/gluon/header.htm

.../gluon-luci-theme/files/www/luci-static/gluon/cascade.css

package/gluon-luci-theme/sass/cascade.scss

package/gluon-mesh-batman-adv-14/Makefile

.../lib/gluon/announce/nodeinfo.d/software/batman-adv/compat

...v-14/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-14

package/gluon-mesh-batman-adv-15/Makefile

.../lib/gluon/announce/nodeinfo.d/software/batman-adv/compat

...v-15/files/lib/gluon/upgrade/350-gluon-mesh-batman-adv-15

package/gluon-mesh-batman-adv-core/Makefile

package/gluon-mesh-batman-adv-core/check_site.lua

...man-adv-core/files/lib/gluon/announce/neighbours.d/batadv

...atman-adv-core/files/lib/gluon/announce/neighbours.d/wifi

...ore/files/lib/gluon/announce/nodeinfo.d/network/addresses

...les/lib/gluon/announce/nodeinfo.d/network/mesh_interfaces