adds subgrunt.js task, so root Gruntfile can kick of builds in examples folders
adds subgrunt.js task, so root Gruntfile can kick of builds in examples folders

xetryj/assemble,avr/assemble,a0000001/test,edrohler/assemble,xetryj/assemble,cgvarela/assemble,valentinvieriu/assemble,davidwickman/assemble,assemble/grunt-assemble,assemble/assemble,cgvarela/assemble,makotot/assemble,davidwickman/assemble,edrohler/assemble,assemble/grunt-assemble,valentinvieriu/assemble,assemble/assemble