Making versions consistent
Clean-up of docs
Merge pull request #267 from davclark/command-docs

Cleaned up docs
Convert 'Hashdist' to the canonical 'HashDist' capitalization

With:

  $ sed -i 's/Hashdist/HashDist/g' $(git grep -l Hashdist)
  $ sed -i 's/HashDistdoc/HashDistDoc/g' $(git grep -l HashDistdoc)