fix travis config

.travis.yml

@@ -18,15 +18,15 @@ matrix:
   - julia: nightly
 
 # uncomment following lines to deploy documentation
- jobs:
-   include:
-     - stage: Documentation
-       julia: 1.0
-       os: linux
-       script:
-         - julia --project=docs -e 'using Pkg; Pkg.instantiate(); Pkg.develop(PackageSpec(path=pwd()))'
-         - julia --project=docs --color=yes docs/make.jl
-       after_success: skip
+jobs:
+  include:
+    - stage: Documentation
+      julia: 1.0
+      os: linux
+      script:
+        - julia --project=docs -e 'using Pkg; Pkg.instantiate(); Pkg.develop(PackageSpec(path=pwd()))'
+        - julia --project=docs --color=yes docs/make.jl
+      after_success: skip
 after_success:
   - julia --project=test/coverage -e 'using Pkg; Pkg.instantiate()'
   - julia --project=test/coverage test/coverage/coverage.jl