Merge remote-tracking branch 'tootsuite/master' into glitchsoc/master

.travis.yml

@@ -19,7 +19,6 @@ env:
     - LOCAL_HTTPS=true
     - RAILS_ENV=test
     - PARALLEL_TEST_PROCESSORS=2
-    - "PATH=$HOME:$PATH"
 
 addons:
   postgresql: 9.4
@@ -49,7 +48,6 @@ install:
 
 before_script:
   - ./bin/rails parallel:create parallel:load_schema parallel:prepare assets:precompile
-  - ln -s /usr/bin/x86_64-linux-gnu-g++-6 "$HOME/g++"
 
 script:
   - travis_retry bundle exec parallel_test spec/ --group-by filesize --type rspec