Various fixes to targets used to build resources:  - Rename SBResourceCopy to _SBResourceCopy to allow "compiling" a single resource  - Fix invocation of acbuilder tool  - Try to prevent infinite loop when all asset catalogs are excluded from the build  - Add ExcludedFromBuild conditional to resource building targets for consistency
Various fixes to targets used to build resources:
 - Rename SBResourceCopy to _SBResourceCopy to allow "compiling" a single resource
 - Fix invocation of acbuilder tool
 - Try to prevent infinite loop when all asset catalogs are excluded from the build
 - Add ExcludedFromBuild conditional to resource building targets for consistency

bSr43/WinObjC,afaruqui/WinObjC,afaruqui/WinObjC,cloudmonkeypeng/WinObjC,cloudmonkeypeng/WinObjC,autodesk-forks/WinObjC,Microsoft/WinObjC,autodesk-forks/WinObjC,s5msft/WinObjC,alexdrenea/WinObjC,wanderwaltz/WinObjC,bSr43/WinObjC,nathpete-msft/WinObjC,pradipd/WinObjC,bbowman/WinObjC,bleupierre/WinObjC,pradipd/WinObjC,bleupierre/WinObjC,alexdrenea/WinObjC,cloudmonkeypeng/WinObjC,vkvenkat/WinObjC,s5msft/WinObjC,ehren/WinObjC,pradipd/WinObjC,s5msft/WinObjC,s5msft/WinObjC,yweijiang/WinObjC,autodesk-forks/WinObjC,bbowman/WinObjC,ehren/WinObjC,MSFTFox/WinObjC,bleupierre/WinObjC,wanderwaltz/WinObjC,afaruqui/WinObjC,ehren/WinObjC,bleupierre/WinObjC,bSr43/WinObjC,rajsesh-msft/WinObjC,afaruqui/WinObjC,ehren/WinObjC,wanderwaltz/WinObjC,autodesk-forks/WinObjC,nathpete-msft/WinObjC,yweijiang/WinObjC,yweijiang/WinObjC,ehren/WinObjC,nathpete-msft/WinObjC,pradipd/WinObjC,MSFTFox/WinObjC,yweijiang/WinObjC,bbowman/WinObjC,rajsesh-msft/WinObjC,alexdrenea/WinObjC,vkvenkat/WinObjC,rajsesh-msft/WinObjC,nathpete-msft/WinObjC,bSr43/WinObjC,nathpete-msft/WinObjC,pradipd/WinObjC,vkvenkat/WinObjC,Microsoft/WinObjC,bbowman/WinObjC,rajsesh-msft/WinObjC,bbowman/WinObjC,Microsoft/WinObjC,Microsoft/WinObjC,MSFTFox/WinObjC,vkvenkat/WinObjC,MSFTFox/WinObjC,alexdrenea/WinObjC,wanderwaltz/WinObjC,cloudmonkeypeng/WinObjC