Add the github action bot to build with cfi
Also fix all the known issues which require the change from C style cast to
static_cast inside the i18n and common directory while we are sure about
the object. and use
C++ style dynamic_cast for base-to-derive cast in other code inside i18n
and common and in test code or tool.
Change to use const_cast for casting between const / non-const
Fix broken RTTI on Windows by splitting service registration into separate files,
and rename files for consistency at the request from Doug.
X-SVN-Rev: 16979