Make JSON greppable

Current versions

gron requires the following formula to be installed:
go 1.9 Open source programming language to build simple/reliable/efficient software

Formula history

Decors gron 0.5.0
Decors gron 0.4.0
Mike McQuaid Use hash rockets again. (#5177)
Decors gron 0.3.7
Mike McQuaid Use Ruby 1.9+ symbol hash keys in all formulae. (#4942)
Decors gron 0.3.6
Zhiming Wang gron: update go_resource indentation style
Decors gron 0.3.4
Decors gron 0.3.2 (new formula)