Update my_good_classes.

Replace file on wxFile in my_good_file.
Remove various defines.
Update text coding in my_good_string class.
Update mathematic support classes.

Resolve errors with cmath functions.
Resolve warnings in CPeriodEvaluator classes.
Update sound base editor classes.

Change text encoding of files.
Resolve some warnings.
Solve warnings in wxConvert class. Remove dead code.
Fix warnings in couple places.
Change text coding of files, solve warnings, remove dead code.
Fix other warnings in visual studio.
Remove all wxLog commands and dead code.
Fix text manipulator and other bugs.
Make avaible to play sound when sound too long.
Make view of sound plot is optional.
Don't use .top file. Move src.dat file.
Add visual studio 2010 infrastructure.