move documentation stage to matrix

Author: kleinschmidt

.travis.yml

@@ -4,23 +4,22 @@ os:
   - linux
 julia:
   - 1.0
-  - 1.2
   - 1.3
+  - 1.4
   - nightly
 matrix:
   allow_failures:
     julia: nightly
-notifications:
-  email: false
-after_success:
-  - julia -e 'using Pkg; Pkg.add("Coverage"); using Coverage; Coveralls.submit(process_folder()); Codecov.submit(process_folder())'
-jobs:
   include:
     - stage: "Documentation"
-      julia: 1.2
+      julia: 1.3
       os: linux
       script:
         - julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd()));
                                                Pkg.instantiate()'
         - julia --project=docs/ docs/make.jl
       after_success: skip
+notifications:
+  email: false
+after_success:
+  - julia -e 'using Pkg; Pkg.add("Coverage"); using Coverage; Coveralls.submit(process_folder()); Codecov.submit(process_folder())'