 - Removed QLatexAssistant palette from v2.0. The idea is to improve it so it can be released in v2.1 In QVistrailsWindow.init_palettes()    commented out QLatexAssistant creation.
 - Removed QLatexAssistant palette from v2.0.
The idea is to improve it so it can be released in v2.1
In QVistrailsWindow.init_palettes()
   commented out QLatexAssistant creation.

minesense/VisTrails,hjanime/VisTrails,celiafish/VisTrails,hjanime/VisTrails,VisTrails/VisTrails,minesense/VisTrails,Nikea/VisTrails,hjanime/VisTrails,hjanime/VisTrails,minesense/VisTrails,minesense/VisTrails,VisTrails/VisTrails,VisTrails/VisTrails,Nikea/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,Nikea/VisTrails,minesense/VisTrails,celiafish/VisTrails,celiafish/VisTrails,Nikea/VisTrails,celiafish/VisTrails,VisTrails/VisTrails