Test and generate docs on Julia v1.5

Author: oschulz

.travis.yml

@@ -9,7 +9,7 @@ os:
 
 julia:
   - 1.0
-  - 1.3
+  - 1.5
   - nightly
 
 arch:
@@ -43,7 +43,7 @@ jobs:
       arch: x86
   include:
     - stage: "Documentation"
-      julia: 1.0
+      julia: 1.5
       os: linux
       arch: amd64
       script: