less redundant tests

Author: bramtayl

.travis.yml

@@ -1,19 +1,12 @@
 language: julia
 os:
   - linux
-  - osx
 julia:
   - 1.0
-  - 1.1
   - 1.2
   - nightly
 notifications:
   email: false
-branches:
-  only:
-  - master
-  - /release-.*/
-  - /v(\d+)\.(\d+)\.(\d+)/
 matrix:
   allow_failures:
   - julia: nightly