Update .travis.yml

Author: kernelmethod

.travis.yml

@@ -4,7 +4,7 @@ os:
   - linux
   - osx
 
-codecov:  true
+codecov: true
 coveralls: true
 
 julia:
@@ -14,13 +14,15 @@ julia:
 notifications:
   email: false
 
-matrix:
+jobs:
   allow_failures:
+    #- env: TRAVIS_JULIA_VERSION=nightly
     - julia: nightly
-
-after_success:
-  # Submit test coverage report
-  #- julia --project -e 'import Pkg; Pkg.add("Coverage"); using Coverage; Codecov.submit(Codecov.process_folder())'
-  # Build and deploy documentation
-  - julia --project=docs/ -e 'using Pkg; Pkg.instantiate(); Pkg.develop(PackageSpec(path=pwd()))'
-  - julia --project=docs/ docs/make.jl
+  include:
+    - stage: "Documentation"
+      julia: 1.3
+      os: linux
+      script:
+        - julia --project=docs -e 'using Pkg; Pkg.instantiate(); Pkg.add(PackageSpec(path=pwd()))'
+        - julia --project=docs --color=yes docs/make.jl
+      after_success: skip