Factor out JSON stripComments().
Summary:
Comments are a useful extension to JSON, especially for configuration files.
Facebook: twagent would previously barf on JSON files that contained '//' in their strings, and this commit allows twagent to strip comments properly. Fixes T4686066.
Test Plan: fbconfig common/json mcrouter/lib/config tupperware/agent && fbmake runtests
Reviewed By: aravindn@fb.com
Subscribers: anarayanan, pavlo, stepan, dipanshu, alikhtarov
FB internal diff:
D1493963
Tasks:
4686066
projects / folly.git / commit