Fix: spits out an error message when wrong use of variable in ini files. Like unset variable used in another variable.
Fix: spits out an error message when wrong use of variable in ini
files. Like unset variable used in another variable.

tal-nino/shinken,staute/shinken_package,staute/shinken_deb,KerkhoffTechnologies/shinken,peeyush-tm/shinken,KerkhoffTechnologies/shinken,Aimage/shinken,Simage/shinken,mohierf/shinken,savoirfairelinux/shinken,xorpaul/shinken,savoirfairelinux/shinken,Simage/shinken,staute/shinken_package,claneys/shinken,staute/shinken_package,ddurieux/alignak,claneys/shinken,rednach/krill,rledisez/shinken,h4wkmoon/shinken,tal-nino/shinken,staute/shinken_deb,kaji-project/shinken,dfranco/shinken,peeyush-tm/shinken,Aimage/shinken,titilambert/alignak,rednach/krill,rednach/krill,tal-nino/shinken,naparuba/shinken,naparuba/shinken,xorpaul/shinken,staute/shinken_deb,savoirfairelinux/shinken,geektophe/shinken,rledisez/shinken,dfranco/shinken,rledisez/shinken,Aimage/shinken,h4wkmoon/shinken,naparuba/shinken,fpeyre/shinken,kaji-project/shinken,staute/shinken_deb,h4wkmoon/shinken,naparuba/shinken,tal-nino/shinken,xorpaul/shinken,h4wkmoon/shinken,dfranco/shinken,lets-software/shinken,titilambert/alignak,savoirfairelinux/shinken,mohierf/shinken,Aimage/shinken,gst/alignak,kaji-project/shinken,ddurieux/alignak,KerkhoffTechnologies/shinken,Simage/shinken,kaji-project/shinken,xorpaul/shinken,tal-nino/shinken,xorpaul/shinken,peeyush-tm/shinken,kaji-project/shinken,fpeyre/shinken,rledisez/shinken,peeyush-tm/shinken,mohierf/shinken,h4wkmoon/shinken,KerkhoffTechnologies/shinken,kaji-project/shinken,savoirfairelinux/shinken,rledisez/shinken,fpeyre/shinken,gst/alignak,claneys/shinken,gst/alignak,kaji-project/shinken,peeyush-tm/shinken,Alignak-monitoring/alignak,titilambert/alignak,Simage/shinken,peeyush-tm/shinken,xorpaul/shinken,rednach/krill,rednach/krill,KerkhoffTechnologies/shinken,naparuba/shinken,ddurieux/alignak,lets-software/shinken,Simage/shinken,Aimage/shinken,claneys/shinken,staute/shinken_package,h4wkmoon/shinken,xorpaul/shinken,KerkhoffTechnologies/shinken,geektophe/shinken,Simage/shinken,fpeyre/shinken,lets-software/shinken,claneys/shinken,geektophe/shinken,h4wkmoon/shinken,Aimage/shinken,Alignak-monitoring/alignak,xorpaul/shinken,geektophe/shinken,ddurieux/alignak,dfranco/shinken,gst/alignak,savoirfairelinux/shinken,rednach/krill,h4wkmoon/shinken,titilambert/alignak,rledisez/shinken,staute/shinken_package,lets-software/shinken,staute/shinken_package,geektophe/shinken,mohierf/shinken,naparuba/shinken,fpeyre/shinken,fpeyre/shinken,ddurieux/alignak,geektophe/shinken,mohierf/shinken,lets-software/shinken,staute/shinken_deb,staute/shinken_deb,dfranco/shinken,mohierf/shinken,ddurieux/alignak,lets-software/shinken,tal-nino/shinken,claneys/shinken,dfranco/shinken