build/makedocs.sh: handle relative output directories
build/makedocs.sh: handle relative output directories

Signed-off-by: Jo-Philipp Wich <a9275913d515487ffaed469337a530ed202da558@openwrt.org>

taiha/luci,tobiaswaldvogel/luci,cshore/luci,shangjiyu/luci-with-extra,Noltari/luci,LuttyYang/luci,bittorf/luci,nmav/luci,jchuang1977/luci-1,teslamint/luci,981213/luci-1,bright-things/ionic-luci,chris5560/openwrt-luci,aa65535/luci,openwrt/luci,artynet/luci,maxrio/luci981213,Wedmer/luci,oneru/luci,forward619/luci,LuttyYang/luci,981213/luci-1,oneru/luci,jchuang1977/luci-1,MinFu/luci,aa65535/luci,tobiaswaldvogel/luci,oneru/luci,openwrt/luci,jlopenwrtluci/luci,artynet/luci,Hostle/luci,teslamint/luci,cappiewu/luci,hnyman/luci,rogerpueyo/luci,Hostle/luci,thesabbir/luci,ollie27/openwrt_luci,nmav/luci,jlopenwrtluci/luci,jlopenwrtluci/luci,openwrt/luci,thess/OpenWrt-luci,981213/luci-1,openwrt/luci,MinFu/luci,thesabbir/luci,Wedmer/luci,obsy/luci,mumuqz/luci,dwmw2/luci,schidler/ionic-luci,artynet/luci,lbthomsen/openwrt-luci,NeoRaider/luci,artynet/luci,thesabbir/luci,urueedi/luci,maxrio/luci981213,bittorf/luci,cappiewu/luci,hnyman/luci,kuoruan/lede-luci,jorgifumi/luci,maxrio/luci981213,teslamint/luci,forward619/luci,jchuang1977/luci-1,daofeng2015/luci,Hostle/luci,LuttyYang/luci,jlopenwrtluci/luci,cshore/luci,cshore/luci,rogerpueyo/luci,981213/luci-1,cshore/luci,lbthomsen/openwrt-luci,chris5560/openwrt-luci,daofeng2015/luci,oneru/luci,shangjiyu/luci-with-extra,thess/OpenWrt-luci,schidler/ionic-luci,bright-things/ionic-luci,artynet/luci,Hostle/luci,chris5560/openwrt-luci,maxrio/luci981213,NeoRaider/luci,Wedmer/luci,jlopenwrtluci/luci,mumuqz/luci,dwmw2/luci,ollie27/openwrt_luci,hnyman/luci,thess/OpenWrt-luci,schidler/ionic-luci,981213/luci-1,remakeelectric/luci,aa65535/luci,kuoruan/lede-luci,lbthomsen/openwrt-luci,mumuqz/luci,jorgifumi/luci,Wedmer/luci,hnyman/luci,thess/OpenWrt-luci,wongsyrone/luci-1,LuttyYang/luci,kuoruan/luci,shangjiyu/luci-with-extra,openwrt/luci,wongsyrone/luci-1,bright-things/ionic-luci,cshore/luci,teslamint/luci,teslamint/luci,cappiewu/luci,bright-things/ionic-luci,daofeng2015/luci,MinFu/luci,hnyman/luci,kuoruan/lede-luci,MinFu/luci,urueedi/luci,jorgifumi/luci,chris5560/openwrt-luci,forward619/luci,jorgifumi/luci,kuoruan/luci,Hostle/luci,981213/luci-1,bright-things/ionic-luci,bittorf/luci,ollie27/openwrt_luci,jlopenwrtluci/luci,mumuqz/luci,mumuqz/luci,bittorf/luci,Wedmer/luci,remakeelectric/luci,wongsyrone/luci-1,forward619/luci,LuttyYang/luci,Noltari/luci,nmav/luci,wongsyrone/luci-1,dwmw2/luci,Noltari/luci,daofeng2015/luci,teslamint/luci,forward619/luci,openwrt-es/openwrt-luci,LuttyYang/luci,remakeelectric/luci,rogerpueyo/luci,nmav/luci,artynet/luci,openwrt/luci,jorgifumi/luci,tobiaswaldvogel/luci,chris5560/openwrt-luci,taiha/luci,cappiewu/luci,ollie27/openwrt_luci,NeoRaider/luci,daofeng2015/luci,shangjiyu/luci-with-extra,remakeelectric/luci,kuoruan/luci,mumuqz/luci,dwmw2/luci,obsy/luci,forward619/luci,openwrt-es/openwrt-luci,jorgifumi/luci,thesabbir/luci,bright-things/ionic-luci,Wedmer/luci,cshore/luci,maxrio/luci981213,taiha/luci,urueedi/luci,dwmw2/luci,Noltari/luci,schidler/ionic-luci,remakeelectric/luci,oneru/luci,chris5560/openwrt-luci,aa65535/luci,openwrt-es/openwrt-luci,kuoruan/lede-luci,Noltari/luci,tobiaswaldvogel/luci,forward619/luci,NeoRaider/luci,ollie27/openwrt_luci,aa65535/luci,hnyman/luci,urueedi/luci,nmav/luci,rogerpueyo/luci,aa65535/luci,wongsyrone/luci-1,kuoruan/luci,dwmw2/luci,oneru/luci,kuoruan/lede-luci,artynet/luci,bittorf/luci,remakeelectric/luci,bittorf/luci,thess/OpenWrt-luci,cshore-firmware/openwrt-luci,nmav/luci,lbthomsen/openwrt-luci,LuttyYang/luci,schidler/ionic-luci,cappiewu/luci,openwrt-es/openwrt-luci,kuoruan/luci,shangjiyu/luci-with-extra,openwrt/luci,taiha/luci,rogerpueyo/luci,teslamint/luci,jlopenwrtluci/luci,lbthomsen/openwrt-luci,obsy/luci,urueedi/luci,rogerpueyo/luci,jorgifumi/luci,urueedi/luci,jlopenwrtluci/luci,shangjiyu/luci-with-extra,Hostle/luci,maxrio/luci981213,kuoruan/luci,kuoruan/luci,cshore-firmware/openwrt-luci,obsy/luci,thess/OpenWrt-luci,nmav/luci,981213/luci-1,tobiaswaldvogel/luci,bittorf/luci,taiha/luci,cshore/luci,MinFu/luci,lbthomsen/openwrt-luci,obsy/luci,thesabbir/luci,cshore-firmware/openwrt-luci,openwrt-es/openwrt-luci,openwrt-es/openwrt-luci,MinFu/luci,tobiaswaldvogel/luci,lbthomsen/openwrt-luci,nmav/luci,thesabbir/luci,urueedi/luci,MinFu/luci,nmav/luci,artynet/luci,ollie27/openwrt_luci,mumuqz/luci,teslamint/luci,maxrio/luci981213,bright-things/ionic-luci,jchuang1977/luci-1,jorgifumi/luci,taiha/luci,jchuang1977/luci-1,cshore-firmware/openwrt-luci,Noltari/luci,thess/OpenWrt-luci,openwrt-es/openwrt-luci,cappiewu/luci,obsy/luci,aa65535/luci,ollie27/openwrt_luci,oneru/luci,kuoruan/luci,cshore-firmware/openwrt-luci,rogerpueyo/luci,taiha/luci,jchuang1977/luci-1,maxrio/luci981213,kuoruan/lede-luci,schidler/ionic-luci,rogerpueyo/luci,Noltari/luci,schidler/ionic-luci,remakeelectric/luci,urueedi/luci,Hostle/luci,aa65535/luci,shangjiyu/luci-with-extra,obsy/luci,NeoRaider/luci,hnyman/luci,lbthomsen/openwrt-luci,dwmw2/luci,cshore-firmware/openwrt-luci,tobiaswaldvogel/luci,chris5560/openwrt-luci,Noltari/luci,shangjiyu/luci-with-extra,schidler/ionic-luci,openwrt/luci,tobiaswaldvogel/luci,cappiewu/luci,thess/OpenWrt-luci,chris5560/openwrt-luci,oneru/luci,daofeng2015/luci,NeoRaider/luci,wongsyrone/luci-1,kuoruan/lede-luci,wongsyrone/luci-1,MinFu/luci,Hostle/luci,thesabbir/luci,cshore/luci,forward619/luci,hnyman/luci,NeoRaider/luci,obsy/luci,taiha/luci,Wedmer/luci,thesabbir/luci,NeoRaider/luci,Wedmer/luci,remakeelectric/luci,openwrt-es/openwrt-luci,jchuang1977/luci-1,wongsyrone/luci-1,kuoruan/lede-luci,artynet/luci,Noltari/luci,dwmw2/luci,daofeng2015/luci,daofeng2015/luci,jchuang1977/luci-1,cappiewu/luci,cshore-firmware/openwrt-luci,mumuqz/luci,ollie27/openwrt_luci,cshore-firmware/openwrt-luci,bright-things/ionic-luci,bittorf/luci,LuttyYang/luci