Added language: ga (Irish).
Languages changes: en-us, eo, hu, pt, ta, vi


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@310 d46cf337-b52f-0410-862d-fd96e6ae7743

Fixes to speaking characters from foreign alphabets.
Allow $textmode and $text to translate between words in different alphabets.


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@305 d46cf337-b52f-0410-862d-fd96e6ae7743

git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@263 d46cf337-b52f-0410-862d-fd96e6ae7743