This is part of the process of making compiledata.cpp independent
of espeakedit.

This moves the libespeak source (*.cpp) files to src/libespeak-ng
and renames the C files (libespeak, espeak, speak) so they have
a .c file extension.

The libespeak files are supposed to be C code, so use C linkage
for all the functions defined in that code when they are being
referenced in the C++ code (i.e. espeakedit).

StdAfx.h is only needed for Microsoft Visual Studio C++ projects
that specify the "use pre-compiled headers" setting.

Language changes: en, fa, hr, pl, ta


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@389 d46cf337-b52f-0410-862d-fd96e6ae7743

Language changes: af, en, eu, fa, hi, hu, id, it, mr, pl, ta.
zh (numbers)


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@388 d46cf337-b52f-0410-862d-fd96e6ae7743

The mapping of the script labels in the UCD data to ISO 15924
script tags is now done using the sc property map in the
PropertyValueAliases data.

This has the following benefits:

    1.  It removes the dependency on the IANA subtag registry.

    2.  It ensures the scripts are correct as specified in the
        UCD data files.