Fixed info about usage with rspec
Use https to fetch gems
Add support for rubocop
Add rubocop to rake task test
Merge branch 'feature/use_rubocop' of https://github.com/dg-ratiodata/aruba into dg-ratiodata-feature/use_rubocop
Add touch_file to create empty files
Merge commit '2b3b275' into dg-ratiodata-feature/fix_readme
Merge pull request #201 from dg-ratiodata/feature/empty_file

Create an empty file
Add support for absolute path
Changed return values for existing methods write_file and create_dir
Add some more tests to improve test suite
Merge pull request #200 from dg-ratiodata/feature/return_expanded_file_path

Return expanded file path
Shorter signature
Added test for shorter signature
Support single file name as well