restore broadcasting array±scalar operations (removed in #5810)
array ± scalar for AbstractArray
Merge pull request #7226 from stevengj/array_+_scalar

restore broadcasting array±scalar operations
Merge branch 'master' of https://github.com/JuliaLang/julia into jq/grisu
improve manual description of array concatenation syntax. closes #7292
Export the grisu method to allow importing by Printf module. Should fix travis failure.
Merge branch 'master' of https://github.com/JuliaLang/julia into jq/grisu