relax rule: no-lone-blocks
relax rule: no-lone-blocks

Lone blocks are useful in ES6 because const/let/function have block
scope. This rule currently prevents this.

Once https://github.com/eslint/eslint/issues/2119 is fixed, we can
re-enable this rule.

Fixes #121

matthieuprat/standard,yamafaktory/standard,kublaj/standard,ricardofbarros/standard,LinusU/standard,reggi/standard,stevemao/standard,tk120404/standard,tjwudi/standard,ricardofbarros/standard-engine,feross/standard,Holowaychitos/standard,koddsson/standard,LinusU/standard,mnquintana/standard,pombredanne/standard-1,timbl/standard,bengl/standard,standard/standard,xjamundx/standard,icemobilelab/icemobile-standard,feross/standard,keis/standard,medseek-engineering/standard,Flet/standard,watson/standard-engine,standard/standard,yudiutomo/standard,jden/jsw,beni55/standard,jasonpincin/standard,JedWatson/happiness,LinusU/standard-engine,Flet/standard-engine,TheLady/standard,leecade/standard,SimenB/standard,febeling/standard,John-Lin/standard,bradparks/standard,SimenB/standard,cesarandreu/standard,JedWatson/happiness