Scilab: SWIG exception raise macro : rethrow exceptions
Scilab: fix SWIG_NewPointerObj & SWIG_NewFunctionPtrObj error
Scilab: remove SwigScilabStringFromCharPtrAndSize (same as SwigScilabStringFromCharPtr)
Scilab: fix SWIG_FromCharPtr error
Scilab: refactor SwigScilabStringToCharPtr (use String API getAllocatedString())
Scilab: refactor SwigScilabStringToCharPtrAndSize (use String API getAllocatedString)
Scilab: fix matrix typemap parameter names
Scilab: add string matrix typemaps
Scilab: update matrix2 example (with int & string matrix conversion)
Scilab: add support of STL vector<string>
Scilab: update STL vector example with vector<string>
Scilab: reference passing default mode is INPUT (here fix for vectors)
Scilab: improve STL vector example (test all argument passing modes)