Refactor getBuiltInMacros() to be SBSv1 specific. This are the hard-coded macros misc macros we are adding for SBSv1.
For SBSv2, they are retrieved from the sbs config query. Also, clean up some API and comments on public APIS
Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: Capabilities
Bundle-SymbolicName: com.nokia.carbide.cpp.debug.capabilities;singleton:=true
Bundle-Version: 1.4.0.qualifier
Bundle-Vendor: Nokia
Require-Bundle: org.eclipse.ui
Bundle-ActivationPolicy: lazy