tree 793a3de7fe6f1356b544948992d730e7e3b0abba
parent 3babb2a6810f37fde5cb185f9714fb844d73cf04
author Matt Butcher <mbutcher@engineyard.com> 1456200807 -0700
committer Matt Butcher <mbutcher@engineyard.com> 1456200807 -0700

Add version scanning for >=1.7.

The new version scanning treates <1.5 as unsupported, =1.5 as
supported only if GO15VENDOREXPERIMENT=1, and > 1.5 as supported
UNLESS GO15VENDOREXPERIMENT=0.

Currently, we detect 1.5 by go version. That will not work for some
dev checkout/build of 1.5.