Adding check for custom command in redhat service provider and providing more explicit error message if init.d script or custom command is not found.
Adding check for custom command in redhat service provider and providing more explicit error message if init.d script or custom command is not found.

oclaussen/chef,gene1wood/chef,tomdoherty/chef,jkerry/chef,tas50/chef-1,onlyhavecans/chef,clintoncwolfe/chef,jkerry/chef,evan2645/chef,mal/chef,smurawski/chef,nvwls/chef,Kast0rTr0y/chef,ChaosCloud/chef,onlyhavecans/chef,juliandunn/chef,webframp/chef,mikedodge04/chef,evan2645/chef,criteo-forks/chef,higanworks/chef,tbunnyman/chef,tomdoherty/chef,mikedodge04/chef,jkerry/chef,mio-g/chef,mio-g/chef,mio-g/chef,Kast0rTr0y/chef,clintoncwolfe/chef,josb/chef,natewalck/chef,criteo-forks/chef,brettcave/chef,webframp/chef,jonlives/chef,josb/chef,nathwill/chef,jkerry/chef,someara/chef,mwrock/chef,brettcave/chef,ranjib/chef,docwhat/chef,onlyhavecans/chef,onlyhavecans/chef,ranjib/chef,BackSlasher/chef,youngjl1/chef,higanworks/chef,docwhat/chef,jaymzh/chef,sanditiffin/chef,Ppjet6/chef,strangelittlemonkey/chef,chef/chef,youngjl1/chef,natewalck/chef,ranjib/chef,Kast0rTr0y/chef,aaron-lane/chef,strangelittlemonkey/chef,MsysTechnologiesllc/chef,gsaslis/chef,aaron-lane/chef,gsaslis/chef,nvwls/chef,ChaosCloud/chef,zuazo-forks/chef,sekrett/chef,oclaussen/chef,josb/chef,ktpan/chef-play,sekrett/chef,BackSlasher/chef,webframp/chef,sanditiffin/chef,mio-g/chef,robmul/chef,MsysTechnologiesllc/chef,aaron-lane/chef,martinisoft/chef,higanworks/chef,nathwill/chef,ChaosCloud/chef,someara/chef,b002368/chef-repo,gsaslis/chef,martinisoft/chef,chef/chef,mal/chef,docwhat/chef,Tensibai/chef,sekrett/chef,BackSlasher/chef,Kast0rTr0y/chef,b002368/chef-repo,docwhat/chef,tbunnyman/chef,juliandunn/chef,natewalck/chef,someara/chef,mal/chef,ChaosCloud/chef,ktpan/chef-play,josb/chef,nvwls/chef,robmul/chef,someara/chef,jonlives/chef,tomdoherty/chef,smurawski/chef,oclaussen/chef,criteo-forks/chef,nvwls/chef,robmul/chef,mattray/chef,clintoncwolfe/chef,ranjib/chef,aaron-lane/chef,strangelittlemonkey/chef,jkerry/chef,Ppjet6/chef,youngjl1/chef,gene1wood/chef,clintoncwolfe/chef,evan2645/chef,gsaslis/chef,3dinfluence/chef,zuazo-forks/chef,mattray/chef,criteo-forks/chef,evan2645/chef,mwrock/chef,evan2645/chef,mikedodge04/chef,BackSlasher/chef,mal/chef,oclaussen/chef,Kast0rTr0y/chef,3dinfluence/chef,smurawski/chef,sekrett/chef,nathwill/chef,mal/chef,webframp/chef,Tensibai/chef,jonlives/chef,sanditiffin/chef,jonlives/chef,docwhat/chef,robmul/chef,juliandunn/chef,josb/chef,mikedodge04/chef,josb/chef,martinisoft/chef,chef/chef,tbunnyman/chef,webframp/chef,mwrock/chef,aaron-lane/chef,gsaslis/chef,mikedodge04/chef,jaymzh/chef,ktpan/chef-play,clintoncwolfe/chef,mio-g/chef,3dinfluence/chef,ktpan/chef-play,higanworks/chef,aaron-lane/chef,Ppjet6/chef,someara/chef,youngjl1/chef,zuazo-forks/chef,tbunnyman/chef,ranjib/chef,zuazo-forks/chef,jkerry/chef,criteo-forks/chef,tbunnyman/chef,nathwill/chef,Ppjet6/chef,smurawski/chef,3dinfluence/chef,strangelittlemonkey/chef,robmul/chef,martinisoft/chef,webframp/chef,tomdoherty/chef,robmul/chef,sekrett/chef,chef/chef,someara/chef,mal/chef,ChaosCloud/chef,BackSlasher/chef,nvwls/chef,gene1wood/chef,brettcave/chef,onlyhavecans/chef,higanworks/chef,nathwill/chef,BackSlasher/chef,3dinfluence/chef,tas50/chef-1,smurawski/chef,tomdoherty/chef,nvwls/chef,b002368/chef-repo,jaymzh/chef,oclaussen/chef,sanditiffin/chef,gene1wood/chef,jaymzh/chef,mattray/chef,gsaslis/chef,MsysTechnologiesllc/chef,Ppjet6/chef,zuazo-forks/chef,smurawski/chef,sanditiffin/chef,Ppjet6/chef,onlyhavecans/chef,mio-g/chef,Tensibai/chef,ChaosCloud/chef,mattray/chef,nathwill/chef,brettcave/chef,clintoncwolfe/chef,mikedodge04/chef,sekrett/chef,strangelittlemonkey/chef,natewalck/chef,youngjl1/chef,zuazo-forks/chef,tas50/chef-1,natewalck/chef,docwhat/chef,b002368/chef-repo,Kast0rTr0y/chef,tas50/chef-1,tbunnyman/chef,oclaussen/chef,ktpan/chef-play,martinisoft/chef,mattray/chef,juliandunn/chef,Tensibai/chef,evan2645/chef,Tensibai/chef,sanditiffin/chef,juliandunn/chef,b002368/chef-repo,3dinfluence/chef,MsysTechnologiesllc/chef,criteo-forks/chef,jonlives/chef,mwrock/chef,natewalck/chef,ktpan/chef-play,brettcave/chef,ranjib/chef,brettcave/chef,youngjl1/chef,jonlives/chef,strangelittlemonkey/chef,b002368/chef-repo