Merge pull request #97 from JuliaParallel/ksh/codecov

Add codecov reporting

Author: eschnett

.travis.yml

@@ -13,4 +13,4 @@ env:
 before_install:
   - sh ./conf/travis-install-mpi.sh $MPI_IMPL
 after_success:
-  - if [ "$TRAVIS_JULIA_VERSION" = nightly ]; then julia -e 'cd(Pkg.dir("MPI")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())'; fi
+  - if [ "$TRAVIS_JULIA_VERSION" = nightly ]; then julia -e 'cd(Pkg.dir("MPI")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder()); Codecov.submit(Coveralls.process_folder())'; fi