icinga_stats - fix metric collision
icinga_stats - fix metric collision

Commit fixes metric collision between hosts.scheduled and
hosts.scheduled.{01,05,15}. This was caused by incorrect split().

Signed-off-by: Zdenek Styblik <dc4a2b801ed63d5bdee592442eca3911ae928322@icflix.com>

tellapart/Diamond,mfriedenhagen/Diamond,jaingaurav/Diamond,signalfx/Diamond,eMerzh/Diamond-1,socialwareinc/Diamond,Nihn/Diamond-1,works-mobile/Diamond,anandbhoraskar/Diamond,TinLe/Diamond,tusharmakkar08/Diamond,Ssawa/Diamond,mfriedenhagen/Diamond,h00dy/Diamond,szibis/Diamond,h00dy/Diamond,jriguera/Diamond,cannium/Diamond,mzupan/Diamond,Basis/Diamond,Netuitive/Diamond,Clever/Diamond,Ormod/Diamond,skbkontur/Diamond,skbkontur/Diamond,thardie/Diamond,codepython/Diamond,jaingaurav/Diamond,janisz/Diamond-1,szibis/Diamond,Basis/Diamond,EzyInsights/Diamond,Ensighten/Diamond,timchenxiaoyu/Diamond,cannium/Diamond,Ssawa/Diamond,thardie/Diamond,skbkontur/Diamond,socialwareinc/Diamond,eMerzh/Diamond-1,disqus/Diamond,Ensighten/Diamond,MichaelDoyle/Diamond,TAKEALOT/Diamond,skbkontur/Diamond,russss/Diamond,MichaelDoyle/Diamond,saucelabs/Diamond,tusharmakkar08/Diamond,Nihn/Diamond-1,saucelabs/Diamond,hvnsweeting/Diamond,thardie/Diamond,mzupan/Diamond,ramjothikumar/Diamond,hamelg/Diamond,disqus/Diamond,hvnsweeting/Diamond,gg7/diamond,tuenti/Diamond,works-mobile/Diamond,jaingaurav/Diamond,Clever/Diamond,works-mobile/Diamond,tuenti/Diamond,krbaker/Diamond,python-diamond/Diamond,jumping/Diamond,works-mobile/Diamond,Precis/Diamond,stuartbfox/Diamond,actmd/Diamond,dcsquared13/Diamond,anandbhoraskar/Diamond,TAKEALOT/Diamond,disqus/Diamond,Slach/Diamond,hvnsweeting/Diamond,codepython/Diamond,tellapart/Diamond,CYBERBUGJR/Diamond,Netuitive/netuitive-diamond,anandbhoraskar/Diamond,dcsquared13/Diamond,bmhatfield/Diamond,Slach/Diamond,stuartbfox/Diamond,joel-airspring/Diamond,Clever/Diamond,Basis/Diamond,signalfx/Diamond,anandbhoraskar/Diamond,sebbrandt87/Diamond,jumping/Diamond,cannium/Diamond,Precis/Diamond,Basis/Diamond,Nihn/Diamond-1,krbaker/Diamond,tellapart/Diamond,timchenxiaoyu/Diamond,timchenxiaoyu/Diamond,rtoma/Diamond,python-diamond/Diamond,Precis/Diamond,hvnsweeting/Diamond,jriguera/Diamond,ramjothikumar/Diamond,saucelabs/Diamond,dcsquared13/Diamond,codepython/Diamond,gg7/diamond,acquia/Diamond,hamelg/Diamond,szibis/Diamond,sebbrandt87/Diamond,signalfx/Diamond,jumping/Diamond,ramjothikumar/Diamond,TinLe/Diamond,zoidbergwill/Diamond,gg7/diamond,jaingaurav/Diamond,tusharmakkar08/Diamond,TAKEALOT/Diamond,TinLe/Diamond,Netuitive/Diamond,dcsquared13/Diamond,krbaker/Diamond,russss/Diamond,Netuitive/netuitive-diamond,saucelabs/Diamond,actmd/Diamond,Ormod/Diamond,Ormod/Diamond,CYBERBUGJR/Diamond,Netuitive/netuitive-diamond,mzupan/Diamond,signalfx/Diamond,krbaker/Diamond,joel-airspring/Diamond,bmhatfield/Diamond,russss/Diamond,eMerzh/Diamond-1,CYBERBUGJR/Diamond,h00dy/Diamond,MichaelDoyle/Diamond,rtoma/Diamond,sebbrandt87/Diamond,russss/Diamond,joel-airspring/Diamond,Netuitive/Diamond,Ensighten/Diamond,hamelg/Diamond,tellapart/Diamond,Netuitive/netuitive-diamond,codepython/Diamond,sebbrandt87/Diamond,cannium/Diamond,CYBERBUGJR/Diamond,zoidbergwill/Diamond,actmd/Diamond,hamelg/Diamond,zoidbergwill/Diamond,stuartbfox/Diamond,joel-airspring/Diamond,TinLe/Diamond,Ssawa/Diamond,janisz/Diamond-1,janisz/Diamond-1,Nihn/Diamond-1,EzyInsights/Diamond,Slach/Diamond,Ssawa/Diamond,bmhatfield/Diamond,EzyInsights/Diamond,stuartbfox/Diamond,zoidbergwill/Diamond,python-diamond/Diamond,Precis/Diamond,jriguera/Diamond,Ormod/Diamond,actmd/Diamond,jriguera/Diamond,tusharmakkar08/Diamond,rtoma/Diamond,acquia/Diamond,mfriedenhagen/Diamond,h00dy/Diamond,thardie/Diamond,eMerzh/Diamond-1,ramjothikumar/Diamond,socialwareinc/Diamond,tuenti/Diamond,EzyInsights/Diamond,tuenti/Diamond,acquia/Diamond,MichaelDoyle/Diamond,Clever/Diamond,gg7/diamond,acquia/Diamond,bmhatfield/Diamond,rtoma/Diamond,Netuitive/Diamond,Ensighten/Diamond,szibis/Diamond,janisz/Diamond-1,socialwareinc/Diamond,TAKEALOT/Diamond,Slach/Diamond,mzupan/Diamond,jumping/Diamond,timchenxiaoyu/Diamond,mfriedenhagen/Diamond