Changed default vizabi font to Trebuchet MS because it's safe for Mac and Win and because we can not ship Bariol with Vizabi
Changed default vizabi font to Trebuchet MS because it's safe for Mac and Win and because we can not ship Bariol with Vizabi

jdk137/vizabi,vizabi/vizabi,alliance-timur/vizabi,alliance-timur/vizabi,buchslava/vizabi,vizabi/vizabi,dab2000/vizabi,homosepian/vizabi,Gapminder/vizabi,jdk137/vizabi,buchslava/vizabi,logicerpsolution/vizabi,IncoCode/vizabi,IncoCode/vizabi,logicerpsolution/vizabi,Gapminder/vizabi,jdk137/vizabi,sergey-filipenko/vizabi,homosepian/vizabi,Gapminder/vizabi,sergey-filipenko/vizabi,dab2000/vizabi,Rathunter/vizabi,sergey-filipenko/vizabi,alliance-timur/vizabi,logicerpsolution/vizabi,dab2000/vizabi,buchslava/vizabi,Rathunter/vizabi,IncoCode/vizabi,Rathunter/vizabi,homosepian/vizabi