Merge pull request #58 from JuliaDocsForks/juliadocs/cap-documenter

Cap Documenter.jl to 0.19 on Travis

Author: BenLauwens

.travis.yml

@@ -13,4 +13,4 @@ matrix:
         - julia: nightly
 after_success:
     - julia -e 'cd(Pkg.dir("SimJulia")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder()); Codecov.submit(Codecov.process_folder())'
-    - julia -e 'Pkg.add("Documenter"); cd(Pkg.dir("SimJulia")); include(joinpath("docs", "make.jl"))'
+    - julia -e 'ps=Pkg.PackageSpec(name="Documenter", version="0.19"); Pkg.add(ps); Pkg.pin(ps); cd(Pkg.dir("SimJulia")); include(joinpath("docs", "make.jl"))'