Summary:
To do so, we had to change some path variables and change the output of some
tests. Removed a few dependencies that provided by hg.
Test Plan:
Ran the tests. There was some ignorable output changed (about devel-warn) caused by other code not
related to this change.
Reviewers: #sourcecontrol, pyd, rmcelroy
Reviewed By: rmcelroy
Subscribers: rmcelroy, durham
Differential Revision: https://phabricator.fb.com/D2499721
Signature: t1:2499721:1443745230:9d4e53e83356807f3343c8343e28d10f1b9dc35f
