Use a "pretty" hostname where possible

package/gluon-config-mode-core/Makefile

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

...ame/luasrc/lib/gluon/config-mode/wizard/0100-hostname.lua

...vpn/luasrc/lib/gluon/config-mode/reboot/0100-mesh-vpn.lua

package/gluon-core/Makefile

package/gluon-core/luasrc/lib/gluon/upgrade/030-system

package/gluon-luci-admin/Makefile

...uon-luci-admin/files/usr/lib/lua/luci/view/admin/info.htm

package/gluon-luci-theme/Makefile

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

package/gluon-respondd/Makefile

package/gluon-respondd/src/Makefile

package/gluon-respondd/src/respondd.c