Added ICarbideBuildConfigutation#getCompileTimeMacros() and EpocEngineHelper#getGlobalDefinesForConfiguration() as convenience wrappers for getting macros contributing to a carbide project. Removed ICarbideBuildConfiguration#hasSTDCPPSupport(). Refactored CarbideLanguageData to use simplified macro retrieval

bin.includes = feature.xml,\
               Carbide_Image.png,\
               license.txt,\
               feature.properties