Merge branch 'release/0.6.0' into develop

* release/0.6.0:
  Bump filename
Remove capistrano as dependency
Bump version
Merge branch 'release/0.7.0'

* release/0.7.0:
  Bump version
  Remove capistrano as dependency
Remove overly strict dependency
Merge branch 'hotfix/0.7.1'

* hotfix/0.7.1:
  Remove overly strict dependency