added Help button to launch sonia wiki in browser
some kinda tweaks
added repick prob and sub passes parameter
some tweaks about the key listener and pause button
fixing error reporting from some task threads
added crude multi-slice stress plot
added pan and rotate options to graph view panel
merged threading branch back into head
playing animation seems to work ok, also updated phase plot interactivty
added task for play, reorganized ui, added key shortcuts for play etc
