Device and Mixer toolbar switched to LeftToRight order, record then play, for consistency with MeterToolbar.

git-svn-id: http://audacity.googlecode.com/svn/audacity-src/trunk@13472 47890b92-0858-11df-a26f-8b716316a5bc
Comments and new variables in ToolDocking code.  No change to function.

git-svn-id: http://audacity.googlecode.com/svn/audacity-src/trunk@13473 47890b92-0858-11df-a26f-8b716316a5bc
Added missing ellipsis to the two Spectral edit plug-ins that have an interface.

git-svn-id: http://audacity.googlecode.com/svn/audacity-src/trunk@13474 47890b92-0858-11df-a26f-8b716316a5bc