Add Coveralls, correct Codecov links

.travis.yml

@@ -15,7 +15,7 @@ git:
 
 after_script:  # TODO: change to after_success once https://github.com/JuliaLang/julia/issues/28306 is fixed
   # push coverage results to Codecov
-  - julia -e 'using Pkg, BEDFiles; cd(joinpath(dirname(pathof(BEDFiles)), "..")); Pkg.add("Coverage"); using Coverage; Codecov.submit(Codecov.process_folder())'
+  - julia -e 'using Pkg, BEDFiles; cd(joinpath(dirname(pathof(BEDFiles)), "..")); Pkg.add("Coverage"); using Coverage; Codecov.submit(process_folder()); Coveralls.submit(process_folder())'
   # Update the documentation
   - julia -e 'using Pkg; Pkg.add("Documenter")'
   - julia -e 'using BEDFiles; ENV["DOCUMENTER_DEBUG"] = "true"; include(joinpath(dirname(pathof(BEDFiles)), "..", "docs", "make.jl"))'

README.md

@@ -3,7 +3,7 @@ Routines for reading and manipulating GWAS data in .bed files
 
 | **Documentation**                                                               | **PackageEvaluator**                                            | **Build Status**                                                                                |
 |:-------------------------------------------------------------------------------:|:---------------------------------------------------------------:|:-----------------------------------------------------------------------------------------------:|
-| [![][docs-stable-img]][docs-stable-url] [![][docs-latest-img]][docs-latest-url] | [![][pkg-0.7-img]][pkg-0.7-url] | [![][travis-img]][travis-url] [![][appveyor-img]][appveyor-url] [![][coveralls-img]][coveralls-url] |
+| [![][docs-stable-img]][docs-stable-url] [![][docs-latest-img]][docs-latest-url] | [![][pkg-0.7-img]][pkg-0.7-url] | [![][travis-img]][travis-url] [![][appveyor-img]][appveyor-url] [![][coveralls-img]][coveralls-url] [![][codecov-img]][codecov-url]|
 
 Data from [*Genome-wide association studies*](https://en.wikipedia.org/wiki/Genome-wide_association_study)
 are often saved as a [**PLINK binary biallelic genotype table**](https://www.cog-genomics.org/plink2/formats#bed)
@@ -66,6 +66,9 @@ Please see the documentation [![][docs-latest-img]][docs-latest-url] for usage.
 [coveralls-img]: https://coveralls.io/repos/github/dmbates/BEDFiles.jl/badge.svg?branch=master
 [coveralls-url]: https://coveralls.io/github/dmbates/BEDFiles.jl?branch=master
 
+[codecov-img]: https://codecov.io/github/dmbates/BEDFiles.jl/badge.svg?branch=master
+[codecov-url]: https://codecov.io/github/dmbates/BEDFiles.jl?branch=master
+
 [issues-url]: https://github.com/dmbates/BEDFiles.jl/issues
 
 [pkg-0.7-img]: http://pkg.julialang.org/badges/BEDFiles_0.7.svg