python3: Export get_global_config_item
python3: Export get_global_config_item

get_global_config_item was added in _lxc but not mapped into lxc itself,
this resolves this oversight.

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>
Acked-by: Serge E. Hallyn <3df611b026e4639bee8aef7a4beb2e39fcebb313@ubuntu.com>

thmo/lxc,ss1h2a3tw/lxc,raspberrypython/lxc,federicobriata/lxc,Distrotech/lxc,virajs/lxc,Pelagicore/lxc,DarknessBeforeDawn/lxc,akshaykarle/lxc,efiop/lxc,lisongmin/lxc,hkjolhede/lxc,hfuCN/lxc,virajs/lxc,szaszg/lxc,GreatFruitOmsk/lxc,Ponce/lxc,jirislaby/lxc,ksperis/lxc,bostjan/lxc,szaszg/lxc,hallyn/lxc,regit/lxc,hfuCN/lxc,ysbnim/lxc,Ponce/lxc,aeris/lxc,ioops/lxc,christiaan/lxc,sapun/lxc,LynxChaus/lxc,QingweiPeterLan/cs188-lxc,lazy404/lxc,virajs/lxc,bostjan/lxc,Pelagicore/lxc,Distrotech/lxc,rowhit/lxc,LynxChaus/lxc,armcc/lxc,efiop/lxc,lisongmin/lxc,cjwatson/lxc,DarknessBeforeDawn/lxc,jirislaby/lxc,lazy404/lxc,codebauss/lxc,lazy404/lxc,JohnPeacockMessageSystems/lxc,tych0/lxc,weizhenwei/lxc,Ponce/lxc,major/lxc,rowhit/lxc,QingweiPeterLan/cs188-lxc,ysbnim/lxc,lisongmin/lxc,yubo/lxc,ioops/lxc,akshaykarle/lxc,regit/lxc,szaszg/lxc,rldleblanc/lxc,christiaan/lxc,bostjan/lxc,major/lxc,terceiro/lxc,ss1h2a3tw/lxc,jirislaby/lxc,aeris/lxc,QingweiPeterLan/cs188-lxc,raspberrypython/lxc,ecarrara/lxc,akshaykarle/lxc,efiop/lxc,bmoar/lxc,christiaan/lxc,hallyn/lxc,hfuCN/lxc,bmoar/lxc,thmo/lxc,terceiro/lxc,JohnPeacockMessageSystems/lxc,Pelagicore/lxc,codebauss/lxc,fwilson42/lxc,sapun/lxc,ss1h2a3tw/lxc,thmo/lxc,federicobriata/lxc,cjwatson/lxc,bmoar/lxc,GreatFruitOmsk/lxc,yubo/lxc,tych0/lxc,ksperis/lxc,codebauss/lxc,GreatFruitOmsk/lxc,rldleblanc/lxc,regit/lxc,caglar10ur/lxc,weizhenwei/lxc,LynxChaus/lxc,fwilson42/lxc,DarknessBeforeDawn/lxc,caglar10ur/lxc,aeris/lxc,ecarrara/lxc,major/lxc,tych0/lxc,ysbnim/lxc,rowhit/lxc,rldleblanc/lxc,raspberrypython/lxc,cjwatson/lxc,armcc/lxc,weizhenwei/lxc,federicobriata/lxc,fwilson42/lxc,Distrotech/lxc,caglar10ur/lxc,JohnPeacockMessageSystems/lxc,yubo/lxc,hallyn/lxc,sapun/lxc,ecarrara/lxc,terceiro/lxc,hkjolhede/lxc,ioops/lxc,armcc/lxc,ksperis/lxc,hkjolhede/lxc