updated intro text
OS X instructions use homebrew for all the things
Start of linking to the homebrew repository in instructions
Version number must be updated in homebrew-flocker
No flocker-tutorial directory for OS X install
fixed review comments
removed trailing space
a sketch of how I might do this
Some more places where environment needs testing
some questions and notes
Merge pull request #565 from ClusterHQ/update-getting-started-564

updated intro text- 564
Started spell changing
Add spelling requirements to setup.py
Set the spelling wordlist
Start of a wordlist
Standardised Btrfs spelling
eg > e.g.
Improved spelling in vagrant.rst
Continued spelling fixes
Fixed apostrophe