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
<?xml version="1.0" encoding="UTF-8"?>
<?NLS TYPE="org.eclipse.help.toc"?>
<toc label="Carbide.c++ User Guide" href="html/debugger.htm" >
<topic label="Release notes" href="html/release_notes.htm" />
<link toc="tocCarbide.xml" />
<anchor id="anchorCarbideCPPMisc" />
<topic label="Bugs fixed" href="html/bugs_fixed.htm" />
<anchor id="anchorNokiaOther" />
<topic label="Legal" href="html/legal.htm" />
</toc>