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

<!-- values for LAF keys that differ between softkey and touch styles: touch settings -->

<boolean key="is.softkey" value="false"/>
<boolean key="is.touch" value="true"/>
<boolean key="is.pen" value="true"/>

<!-- define fonts, colors, rectangles, integers below... -->