Merge branch 'maint-0.7.x'

* maint-0.7.x:
  v0.7.1
  v0.7.1 changelog
add waffle.io badge
Merge pull request #13 from waffle-iron/master

waffle.io Badge
refactor waffle badge to fit into my badge array
seems like the latest python-blosc has some minor differences, presumably with lz4
fix typo
more typos