Switched a few builds to use the slightly more modern Xenial.
authorDan Fandrich <dan@coneharvesters.com>
Wed, 31 Jul 2019 14:39:11 +0000 (16:39 +0200)
committerDan Fandrich <dan@coneharvesters.com>
Wed, 31 Jul 2019 22:57:49 +0000 (00:57 +0200)
commit5c74c8576ccb8e38a4ed7555a03f5bf82bb0decc
tree4bcd176edaf180633b1de6870ee1d0fdd7f38e11
parent3145ed9ade359002743d9c40ba5ccada9b7f116c
Switched a few builds to use the slightly more modern Xenial.

This fixes the clang6 build since the Trusty environment has started
complaining that libjsoncpp0 doesn't exist when trying to install
clang-6.0.
.travis.yml