Added travis for code coverage and test

Author: theogf

.travis.yml

@@ -0,0 +1,23 @@
+## Documentation: http://docs.travis-ci.com/user/languages/julia/
+language: julia
+os:
+  - linux
+  - osx
+julia:
+  - 1.0
+  - nightly
+notifications:
+  email: false
+after_success:
+  # push coverage results to Coveralls
+  - julia -e 'using Pkg; Pkg.add("Coverage"); using Coverage; Coveralls.submit(process_folder())'
+jobs:
+  include:
+    - stage: "Documentation"
+      julia: 1.0
+      os: linux
+      script:
+        - export DOCUMENTER_DEBUG=true
+        - julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
+        - julia --project=docs/ docs/make.jl
+      after_succes: skip