chore(package): update grunt-jscs to version 2.7.0
chore(package): update grunt-jscs to version 2.7.0

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SkReD/less.js,SomMeri/less-rhino.js,gencer/less.js,seven-phases-max/less.js,less/less.js,foresthz/less.js,foresthz/less.js,seven-phases-max/less.js,less/less.js,gencer/less.js,arusanov/less.js,SkReD/less.js,arusanov/less.js,SomMeri/less-rhino.js,less/less.js