Fix small bug in init of repositories.
fix typos and clean up output of 'eb --avail-repositories'
make sure bug in init_repository is covered by unit tests
Merge pull request #10 from boegel/repobig

add unit test for bug in init_repositories, fix output of eb --avail-repositories
Merge pull request #852 from wpoely86/repobig

Fix small bug in init of repositories.