Bug 1983 residual - A better fix for the residual.

The previous fix did not handle the case of the mixer toolbar being smaller than its minimum size.
The new fix does, and the code is simpler.

Mention two more bug fixes in README.txt

Updates to README.txt by Bill Wharrie

Updated sl.po -- Slovenian submitted by Martin Srebotnjak

Updated sl.po -- Slovenian submitted by Martin Srebotnjak

Fix build of .mo files on all platforms

Make append-recording insert clip boundaries again

remove incorrect information about PortMidi

Flush .aup before writing .au; no redundant out-of-space messages

Make the (en) welcome window say it's a Beta test version, not alpha...

... This gets in too late for the translation files, but very few of them
included a translation for this message.  So, it will appear English for all.