Add file capabilities to kernel options
Add file capabilities to kernel options

Point users in documentation to also enable POSIX capability for
dropping CAP_BOOT.

Signed-off-by: Filippo Giunchedi <4f40cda291c5f9634e1affd3db44947af61f705c@esaurito.net>
Signed-off-by: Daniel Lezcano <3211518dd4d87cb3f7ee12cb52e14b7fb2bc0446@fr.ibm.com>

ioops/lxc,usc-isi/lxc,fwilson42/lxc,regit/lxc,abstrakraft/lxc-android-lxc,ksperis/lxc,potatosalad/lxc,ysbnim/lxc,armcc/lxc,raspberrypython/lxc,federicobriata/lxc,terceiro/lxc,lisongmin/lxc,Distrotech/lxc,hallyn/lxc,usc-isi/lxc,DarknessBeforeDawn/lxc,fwilson42/lxc,thmo/lxc,JohnPeacockMessageSystems/lxc,major/lxc,QingweiPeterLan/cs188-lxc,akshaykarle/lxc,bostjan/lxc,aeris/lxc,efiop/lxc,ojkastl/lxc_Patches,weizhenwei/lxc,sapun/lxc,potatosalad/lxc,ostap/lxc,major/lxc,caglar10ur/lxc,rldleblanc/lxc,terceiro/lxc,coconutpilot/lxc-gentoo-new,cjwatson/lxc,caglar10ur/lxc,bmoar/lxc,yubo/lxc,ksperis/lxc,kylef/lxc,akshaykarle/lxc,tych0/lxc,DarknessBeforeDawn/lxc,yubo/lxc,ysbnim/lxc,tych0/lxc,akshaykarle/lxc,ojkastl/lxc_Patches,ioops/lxc,Distrotech/lxc,thmo/lxc,glensc/lxc,smoser/lxc,JohnPeacockMessageSystems/lxc,Pelagicore/lxc,smoser/lxc,szaszg/lxc,jirislaby/lxc,efiop/lxc,weizhenwei/lxc,virajs/lxc,virajs/lxc,smoser/lxc,lazy404/lxc,major/lxc,armcc/lxc,jirislaby/lxc,JohnPeacockMessageSystems/lxc,ojkastl/lxc_Patches,christiaan/lxc,glensc/lxc,sapun/lxc,hfuCN/lxc,federicobriata/lxc,inokappa/lxc,ostap/lxc,hkjolhede/lxc,usc-isi/lxc,szaszg/lxc,ioops/lxc,szaszg/lxc,DarknessBeforeDawn/lxc,thmo/lxc,hfuCN/lxc,smoser/lxc,aeris/lxc,christiaan/lxc,inokappa/lxc,efiop/lxc,kylef/lxc,glensc/lxc,LynxChaus/lxc,abstrakraft/lxc-android-lxc,codebauss/lxc,ss1h2a3tw/lxc,QingweiPeterLan/cs188-lxc,regit/lxc,rldleblanc/lxc,rowhit/lxc,regit/lxc,hfuCN/lxc,codebauss/lxc,aeris/lxc,rowhit/lxc,caglar10ur/lxc,QingweiPeterLan/cs188-lxc,federicobriata/lxc,hallyn/lxc,weizhenwei/lxc,raspberrypython/lxc,cjwatson/lxc,codebauss/lxc,Ponce/lxc,LynxChaus/lxc,LynxChaus/lxc,Pelagicore/lxc,ecarrara/lxc,Pelagicore/lxc,jirislaby/lxc,christiaan/lxc,coconutpilot/lxc-gentoo-new,Distrotech/lxc,lisongmin/lxc,abstrakraft/lxc-android-lxc,virajs/lxc,cjwatson/lxc,cipriancraciun/lxc,rowhit/lxc,lisongmin/lxc,GreatFruitOmsk/lxc,bmoar/lxc,tych0/lxc,hkjolhede/lxc,terceiro/lxc,cipriancraciun/lxc,lazy404/lxc,ss1h2a3tw/lxc,bostjan/lxc,GreatFruitOmsk/lxc,yubo/lxc,hallyn/lxc,ysbnim/lxc,Ponce/lxc,GreatFruitOmsk/lxc,hkjolhede/lxc,ksperis/lxc,ecarrara/lxc,bostjan/lxc,bmoar/lxc,ss1h2a3tw/lxc,lazy404/lxc,abstrakraft/lxc-android-lxc,fwilson42/lxc,ecarrara/lxc,raspberrypython/lxc,Ponce/lxc,ojkastl/lxc_Patches,armcc/lxc,rldleblanc/lxc,sapun/lxc