Added parser fix for variables declared 'final'. Parser tests pass 658 -> 661.
Added parser fix for variables declared 'final'. Parser tests pass 658 -> 661.

edsfault/Edsfault-processing.js,jaredly/processing-js,corbanbrook/processing-js,kevinb7/processing-js,guazipi/processing-js,edsfault/Edsfault-processing.js,annasob/processing-js,corbanbrook/processing-js,jeresig/processing-js,corbanbrook/processing-js,baiyanghese/processing-js,jaredly/processing-js,dhodgin/processing-js,baiyanghese/processing-js,guazipi/processing-js,annasob/processing-js,jeresig/processing-js,dhodgin/processing-js,edsfault/Edsfault-processing.js,annasob/processing-js,kevinb7/processing-js