Added query script for PitchListing
Added query script for IntensityListing
Startup hook now prints Praat version info
New script provider for categorized query script menu
Updated plugin info.

Set STROKE_CONTROL to pure for intensity painter
Add try/catch statements for loadXXXXX methods when updating spectrogram display
Updated Phon dependency to 2.0beta1

Spectrogram and TextGrid views now update on addNotify