update README for ubuntu 16.04 LTS + custom boost installation details
authorshane <shaneknapp@users.noreply.github.com>
Thu, 24 Aug 2017 00:40:02 +0000 (17:40 -0700)
committerFacebook Github Bot <facebook-github-bot@users.noreply.github.com>
Thu, 24 Aug 2017 00:49:36 +0000 (17:49 -0700)
commita901072c1d581e510555276e2f53cecf0c931c5b
tree4214f661b216c79a320c50887a87b28244d72ed8
parentf74bfffc3b1934e00ceb3dc9132924a0efaafdc0
update README for ubuntu 16.04 LTS + custom boost installation details

Summary:
the README didn't have explicit instructions for ubuntu 16.04 LTS...  now it does.

i also added a section for how to handle building folly w/a custom boost installation.
Closes https://github.com/facebook/folly/pull/664

Reviewed By: eduardo-elizondo

Differential Revision: D5694143

Pulled By: yfeldblum

fbshipit-source-id: e2786d045c3459cac49c8b052d90ca24d10f7922
README.md