Updated Spectral effects to v4 plugins and added GPL v2 license information (with agreement from Paul Licameli).

git-svn-id: http://audacity.googlecode.com/svn/audacity-src/trunk@13638 47890b92-0858-11df-a26f-8b716316a5bc
Removed some debugging cruft.

git-svn-id: http://audacity.googlecode.com/svn/audacity-src/trunk@13639 47890b92-0858-11df-a26f-8b716316a5bc
Added new Armenian translation by Aram Vardanyan to Windows and Linux builds. Still needs to be added to the Mac project file.   

git-svn-id: http://audacity.googlecode.com/svn/audacity-src/trunk@13640 47890b92-0858-11df-a26f-8b716316a5bc
Update Change Speed effect. Adds To/From time controls and a 'simple' speed multiplier.
Should also fix bugs 772 and 780.

git-svn-id: http://audacity.googlecode.com/svn/audacity-src/trunk@13641 47890b92-0858-11df-a26f-8b716316a5bc