remove 0.4 from travis

tkelman · web-flow · commit 7ff9e20c7063 · 2017-03-02T00:37:55.000-08:00
and release, currently redundant with 0.5
diff --git a/.travis.yml b/.travis.yml
@@ -2,8 +2,6 @@ language: julia
 os:
   - linux
 julia:
-  - release
-  - 0.4
   - 0.5
 notifications:
   email: false
