Merge branch 'release/0.0.1'
Merge branch 'release/0.0.2'
Merge branch 'release/0.0.3'
Update lib/git_gc_cron/cli.rb

Handle case where .git is not a directory (for example when using submodules)
fix cucumber and aruba deprecation warnings
Merge branch 'master' of https://github.com/Regisc/git-gc-cron into develop
bump version 0.0.4
Merge branch 'release/v0.0.4' into develop