Bump grunt-lib-phantomjs to fix cleanup issues
Bump grunt-lib-phantomjs to fix cleanup issues

Fixes #33

skohar/grunt-mocha,skohar/grunt-mocha,GruntBlanketMocha/grunt-blanket-mocha,ModelN/grunt-blanket-mocha,jkennedy1980/grunt-mocha,ModelN/grunt-blanket-mocha,kmiyashiro/grunt-mocha,kmiyashiro/grunt-mocha,GruntBlanketMocha/grunt-blanket-mocha,jkennedy1980/grunt-mocha