TuxGuitar 1.2 changes:

* Fix some bugs
* Support measure range to loop
* Transpose notes feature
* Optionally transpose afected notes when change tuning
* Move beats left|right support
* More song properties options.
* Add multiple measure support
* Clean multiple measure support
* Number of pastes support
* Better lilypond plugin
* Better fluidsynth plugin
* New jack plugin
* New community integration plugin
* New cocoa integration plugin
* New audio unit plugin