1) Add EpocEngineHelper#hasFeatureVariantKeyword(...)
2) Make sure retrieval of makefile directory and makefile name hadles default ARMV5 case
where config is a variant but the FEATUREVARIANT keyword is not specified.
CarbideBuilder.Carbide_group=Carbide.c++
CarbideBuilder.Carbide_Project_Settings=Project Settings
CarbideBuilder.Carbide_Build_Configurations=Build Configurations
CarbideBuilder.Carbide_Macro_Settings=Macro Settings
CarbideBuilder.Delete_Carbide_Project_Marker=Delete Carbide Project Marker
CarbideBuilder.Active_Build_Configuration=Active Build Configuration
CarbideBuilder.Change_Config_ToolTip=Change the Active Build Configuration for the Selected Project
CarbideBuilder.Build_Selected_Project_ToolTip=Build the Selected Project